Patio blocks and block systems with side surface positioning and retaining structures

1. A patio block comprising:

a block body having opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface, each of the at least first, second, third and fourth side surfaces extending from the top surface to the bottom surface;

at least one spacer projection positioned along each one of the at least first, second, third and fourth side surfaces, the at least one spacer projection extending outwardly from the at least first, second, third and fourth side surfaces;

and at least one spacer locator positioned along each one of the at least first, second, third and fourth side surfaces;

wherein the at least one spacer locator has a first and second exposed surface and a retaining surface, the retaining surface extending from the first exposed surface to the second exposed surface and having a contour shaped to receive a spacer projection, at least a portion of at least one of the first and second exposed surfaces extends outward from the side surface and block body and wherein a portion of the contour of the retaining surface of the spacer locator of each side surface extends beyond the side surface and block body and a portion of the contour of the retaining surface of the spacer locator extends through the side surface and into the block body.

2. The patio block of claim 1 , wherein the at least one spacer projection of each side surface extends a partial height of the side surface from the bottom surface toward the top surface of the patio block.

3. The patio block of claim 1 , wherein the at least one spacer locator of each side surface extends the entire height of the side surface from the bottom surface to the top surface of the patio block.

4. The patio block of claim 1 , wherein each side surface has a vertical plane and a portion of the contour of the retaining surface of the at least one spacer locator is in the same vertical plane as the at least first, second, third and fourth side surfaces.

5. The patio block of claim 1 , wherein each of the at least first, second, third and fourth side surfaces have an irregular non-planar contour.

6. The patio block of claim 1 , wherein the block body has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection positioned along the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.

7. A patio block comprising:

a block body having opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface, each of the at least first, second, third and fourth side surfaces extending from the top surface to the bottom surface;

at least one spacer projection positioned along each one of the at least first, second, third and fourth side surfaces, the at least one spacer projection extending outwardly from the at least first, second, third and fourth side surfaces;

and at least one spacer locator positioned along each one of the at least first, second, third and fourth side surfaces;

wherein the at least one spacer locator has a first and second exposed surface and a retaining surface, the retaining surface extending from the first exposed surface to the second exposed surface and having a contour shaped to receive a spacer projection, at least a portion of at least one of the first and second exposed surfaces extends outward from the side surface and block body and at least a portion of the contour of the retaining surface extends beyond the side surface and block body and wherein the entire contour of the retaining surface of the spacer locator of at least one of the first, second, third and fourth side surfaces extends beyond the side surface and is located outside of the block body and the contour of the retaining surface of the spacer locator of at least one of the other of the at least first, second, third and fourth side surfaces has a portion that extends beyond the side surface and block body and a portion that extends through the side surface and into the block body.

8. The patio block of claim 7 , wherein the block body has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection positioned along the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.

9. A patio system comprising:

a plurality of patio blocks, the patio blocks having a block body with opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface each extending from the top surface to the bottom surface, each of the at least first, second, third and fourth side surfaces having an irregular contour such that top and bottom edges along the top and bottom surfaces where the at least first, second, third and fourth side surfaces extend also have an irregular contour, at least one spacer projection positioned along each of the at least first, second, third and fourth side surfaces and extending outwardly from each side surface and at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces, the at least one spacer locator having a retaining surface shaped to receive a spacer projection, the retaining surface of the at least one spacer locator of the plurality of patio blocks having a contour, at least a portion of the contour of the retaining surface extending outwardly from the side surface and at least a portion of the contour of the retaining surface extending inwardly through the side surface and into the block body; and

wherein when a patio is made with the plurality of patio blocks, the at least one spacer locator receives a spacer projection such that when a side surface of a first patio block is laid adjacent to a side surface of a second patio block the spacer projection of the side surface of the first patio block is accepted and retained into the spacer locator of the second patio block preventing displacement of the first patio block relative to the adjacent second patio block and creating a joint between the first patio block and the second patio block, the joint having variable widths along the length of the adjacent portions of the irregularly contoured top edges of the first and second patio block.

10. The patio system of claim 9 , wherein the block body of the plurality of patio blocks has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection extending outwardly from the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.

11. The patio system of claim 9 , wherein the at least one spacer projection of each side surface of the plurality of patio blocks extends a partial height of the side surface from the bottom surface toward the top surface of the patio block.

12. The patio system of claim 9 , wherein the at least one spacer locator of each side surface of the plurality of patio blocks extends the entire height of the side surface from the bottom surface to the top surface of the patio block.

13. A patio system comprising:

a plurality of patio blocks, the patio blocks having a block body with opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface each extending from the top surface to the bottom surface, each of the at least first, second, third and fourth side surfaces having an irregular contour such that top and bottom edges along the top and bottom surfaces where the at least first, second, third and fourth side surfaces extend also have an irregular contour, at least one spacer projection positioned along each of the at least first, second, third and fourth side surfaces and extending outwardly from each side surface and at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces, the at least one spacer locator having a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface, the retaining surface of the at least one spacer locator of the plurality of patio blocks having a contour, the entire contour of the retaining surface of the spacer locator of at least one of the first, second, third and fourth side surfaces extends outside of the side surface and is located beyond the block body and the contour of the retaining surface of the spacer locator of at least one of the other of the at least first, second, third and fourth side surfaces has a portion that extends outside of the side surface and block body and a portion that extends through the side surface and into the block body; and

wherein when a patio is made with the plurality of patio blocks, the at least one spacer locator receives a spacer projection such that when a side surface of a first patio block is laid adjacent to a side surface of a second patio block the spacer projection of the side surface of the first patio block is accepted and retained into the spacer locator of the second patio block preventing displacement of the first patio block relative to the adjacent second patio block and creating a joint between the first patio block and the second patio block, the joint having variable widths along the length of the adjacent portions of the irregularly contoured top edges of the first and second patio block.

14. The patio system of claim 13 , wherein the block body of the plurality of patio blocks has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection extending outwardly from the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.

15. A patio system comprising:

a plurality of patio blocks, the patio blocks having a block body with opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface each extending from the top surface to the bottom surface, each of the at least first, second, third and fourth side surfaces having an irregular contour such that top and bottom edges along the top and bottom surfaces where the at least first, second, third and fourth side surfaces extend also have an irregular contour, at least one spacer projection positioned along each of the at least first, second, third and fourth side surfaces and extending outwardly from each side surface and at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces, the at least one spacer locator having a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface, wherein the at least one spacer locator of at least one of the at least first, second, third and fourth side surfaces is at least two spacer locators, one of the spacer locators being of a first type having an entire retaining surface located outside of the block body and one of the spacer locators being of a second type having only a portion of a retaining surface located outside of the block body; and

wherein when a patio is made with the plurality of patio blocks, the at least one spacer locator receives a spacer projection such that when a side surface of a first patio block is laid adjacent to a side surface of a second patio block the spacer projection of the side surface of the first patio block is accepted and retained into the spacer locator of the second patio block preventing displacement of the first patio block relative to the adjacent second patio block and creating a joint between the first patio block and the second patio block, the joint having variable widths along the length of the adjacent portions of the irregularly contoured top edges of the first and second patio block.

16. The patio system of claim 15 , wherein the block body of the plurality of patio blocks has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection extending outwardly from the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.

17. A method of making a patio comprising:

providing a plurality of patio blocks, the patio blocks having a block body with opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface each extending from the top surface to the bottom surface, each of the at least first, second, third and fourth side surfaces having an irregular contour such that top and bottom edges along the top and bottom surfaces where the at least first, second, third and fourth side surfaces extend also have an irregular contour, at least one spacer projection positioned along each of the at least first, second, third and fourth side surfaces and extending outwardly from each side surface and at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces, the at least one spacer locator having a retaining surface shaped to receive a spacer projection, the retaining surface of the at least one spacer locator of the plurality of patio blocks having a contour, at least a portion of the contour of the retaining surface extending outwardly from the side surface and at least a portion of the contour of the retaining surface extending inwardly through the side surface and into the block body; and

forming a patio by positioning the patio blocks with a side surface of a first patio block laid adjacent to a side surface of a second patio block such that the at least one spacer projection of the side surface of the first patio block is accepted and retained into the at least one spacer locator of the second adjacent patio block preventing displacement of the first patio block relative to the adjacent second patio block and creating a joint between the first patio block and the second patio block, the width of the joint having variable dimensions along the length of the adjacent portions of the irregularly contoured top edges of the first and second patio block.

18. The method of claim 17 , wherein the block body of the plurality of patio blocks has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection extending outwardly from the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.

19. A method of making a patio comprising:

providing a plurality of patio blocks, the patio blocks having a block body with opposed top and bottom surfaces, and at least a first side surface, a second side surface, a third side surface and a fourth side surface each extending from the top surface to the bottom surface, each of the at least first, second, third and fourth side surfaces having an irregular contour such that top and bottom edges along the top and bottom surfaces where the at least first, second, third and fourth side surfaces extend also have an irregular contour, at least one spacer projection positioned along each of the at least first, second, third and fourth side surfaces and extending outwardly from each side surface and at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces, the at least one spacer locator having a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface, wherein the at least one spacer locator of at least one of the at least first, second, third and fourth side surfaces is at least two spacer locators, one of the spacer locators being of a first type having an entire retaining surface located outside of the block body and one of the spacer locators being of a second type having only a portion of a retaining surface located outside of the block body; and

forming a patio by positioning the patio blocks with a side surface of a first patio block laid adjacent to a side surface of a second patio block such that the at least one spacer projection of the side surface of the first patio block is accepted and retained into the at least one spacer locator of the second adjacent patio block preventing displacement of the first patio block relative to the adjacent second patio block and creating a joint between the first patio block and the second patio block, the width of the joint having variable dimensions along the length of the adjacent portions of the irregularly contoured top edges of the first and second patio block.

20. The method of claim 19 , wherein the block body of the plurality of patio blocks has a fifth and sixth side surface such that the block body has an “L” shape, wherein the patio block has at least one spacer projection extending outwardly from the fifth and sixth side surface and at least one spacer locator positioned along the fifth and sixth side surfaces.