IP Library Granted Patent US 11,155,975
Granted Patent B2
US 11,155,975 · App. 16/723,284 · Granted Oct 26, 2021

Concrete foundation form

Inventors: Will Watson (Seattle, WA); Gary Fong (Menlo Park, CA)
Assignee: Katerra Inc.
E02D27/013E04G13/00E04G17/14H04L63/0245H04L63/0853H04L63/1416H04L63/1466H04L63/1491E02D2250/0023
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Quick Facts
Patent No.
US 11,155,975
App. No.
16/723,284
Granted
Oct 26, 2021
Kind
B2
Abstract

A prefabricated formwork is disclosed. The prefabricated formwork of the present disclosure comprises at least one bracket comprising a first slot and a second slot, at least one first wall configured to be inserted into the first slot of the at least one bracket, and at least one second wall configured to be inserted into the second slot of the at least one bracket. The prefabricated framework may further comprise at least one support having at least one groove configured to receive the at least one bracket.

Claims (34)

1. A prefabricated formwork comprising:

at least one first wall;

at least one second wall;

at least one first lower wall;

at least one second lower wall;

at least one bracket including a first slot configured to receive the at least one first wall, a second slot configured to receive the at least one second wall, a third slot configured to receive the at least one first lower wall, and a fourth slot configured to receive the at least one second lower wall; and

at least one level adjustment screw coupled to the at least one bracket.

2. A prefabricated formwork comprising:

at least one bracket comprising a first slot and a second slot;

at least one first wall configured to be inserted into the first slot of the at least one bracket; and

at least one second wall configured to be inserted into the second slot of the at least one bracket;

wherein the at least one first and the at least one second wall each include a bubble level.

3. The prefabricated formwork of claim 2 , wherein the at least one molded piece is comprised of recycled plastic.

4. The prefabricated formwork of claim 2 , further comprising at least one first lower wall and at least one second lower wall.

5. The prefabricated formwork of claim 2 , wherein the least one first wall and the least one second wall are uniformly spaced apart.

6. The prefabricated formwork of claim 2 , wherein the at least one bracket, the at least one first wall and the at least one second wall are coupled together to form at least one of a straight portion, a tee portion, a cross portion and an L-shaped portion.

7. The prefabricated formwork of claim 2 , wherein the at least one bracket comprises a plurality of brackets, the at least one first wall comprises a plurality of first walls and the at least one second wall comprises a plurality of second walls, and the plurality of brackets, the plurality of first walls and the plurality of second walls are configured to produce the desired formwork.

8. A prefabricated formwork comprising:

at least one bracket comprising a first slot and a second slot;

at least one first wall configured to be inserted into the first slot of the at least one bracket;

at least one second wall configured to be inserted into the second slot of the at least one bracket; and

a level adjustment screw coupled to the at least one bracket.

9. The prefabricated formwork of claim 8 , wherein the at least one molded piece is comprised of recycled plastic.

10. The prefabricated formwork of claim 8 , wherein the at least one level adjustment screw is configured to set final grade height.

11. The prefabricated formwork of claim 8 , wherein the at least one level adjustment screw is comprised of recycled plastic.

12. The prefabricated formwork of claim 8 , further comprising at least one first lower wall and at least one second lower wall.

13. The prefabricated formwork of claim 12 , wherein the at least one first lower wall and the at least one second lower wall are each configured to receive the at least one bracket.

14. The prefabricated formwork of claim 8 , wherein the at least one bracket, the at least one first wall and the at least one second wall are coupled together to form a straight portion.

15. The prefabricated formwork of claim 8 , wherein the at least one bracket, the at least one first wall and the at least one second wall are coupled together to form a tee portion.

16. The prefabricated formwork of claim 8 , wherein the at least one bracket, the at least one first wall and the at least one second wall are coupled together to form a cross portion.

17. The prefabricated formwork of claim 8 , wherein the at least one bracket, the at least one first wall and the at least one second wall are coupled together to form an L-shaped portion.

18. The prefabricated formwork of claim 8 , wherein the at least one bracket comprises a plurality of brackets, the at least one first wall comprises a plurality of first walls and the at least one second wall comprises a plurality of second walls, and the plurality of brackets, the plurality of first walls and the plurality of second walls are configured to produce the desired formwork.

19. The prefabricated formwork of claim 8 , wherein the at least one first and the at least one second wall each include a bubble level.

20. The prefabricated formwork of claim 8 , wherein the least one first wall and the least one second wall are uniformly spaced apart.

Assignments (5)
CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 057644 FRAME 0489. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR(S) INTEREST. Recorded Nov 4, 2021
From: KATERRA INC. AND KATERRA CONSTRUCTION LLC
To: VBC TRACY LLC
Reel/Frame 058040/0455 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2021
From: WATSON, WILL; FONG, GARY
To: KATERRA INC.
Reel/Frame 057879/0709 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 29, 2021
From: KATERRA INC. AND KATERRA CONSTRUCTION LLC
To: VBC TRACY LLC
Reel/Frame 057644/0489 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL/FRAME 57261/0035 Recorded Sep 23, 2021
From: SB INVESTMENT ADVISERS (UK) LIMITED,
To: KATERRA, INC.
Reel/Frame 057594/0944 →
PATENT SECURITY AGREEMENT Recorded Jun 11, 2021
From: KATERRA INC.
To: SB INVESTMENT ADVISERS (UK) LIMITED
Reel/Frame 057261/0035 →
Continuity (2)
Provisional Application 62786988 · Dec 31, 2018
Related Publication 20200208420A1 · Jul 2, 2020