IP Library Granted Patent US 7,845,047
Granted Patent B2
US 7,845,047 · App. 11/798,541 · Granted Dec 7, 2010

Cleaning brush

Assignee: The ServiceMaster Company
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Quick Facts
Patent No.
US 7,845,047
App. No.
11/798,541
Granted
Dec 7, 2010
Kind
B2
Abstract

A brush for dusting and cleaning includes a handle having a first end and a second end, an outer rail of bristles along an outer portion of the brush having a first row of outer bristles and a second row of outer bristles; an inner rail of bristles along an inner portion of the brush having a first row of inner bristles and a second row of inner bristles; at least one row of suction holes located between the first row of outer bristles and the second row of outer bristles to remove materials trapped within the brush; and a front row of bristles located along the second end of the handle.

Claims (35)

1. A brush for dusting and cleaning, comprising:

a handle having a first end and a second end and a hollow interior;

an outer rail of bristles along an outer portion of the brush having a first row of outer bristles and a second row of outer bristles;

an inner rail of bristles along an inner portion of the brush having a first row of inner bristles and a second row of inner bristles;

a first row of suction holes located between the first row of outer bristles and the second row of outer bristles to remove materials trapped within the brush;

a first sloped ridge separating a first hole and a second adjacent hole of the first row of suction holes, the sloped ridge having a first curved portion adjacent to the first hole that slopes from an outer portion of the handle toward the hollow interior of the brush at the first hole and a second curved portion adjacent to the second hole that slopes from an outer portion of the handle toward the hollow interior of the brush at the second hole such that dust is easily suctioned into the holes; and

a front row of bristles located along the second end of the handle.

2. The brush for dusting and cleaning, as claimed in claim 1 , wherein the first end of the handle is configured for attachment to a vacuum.

3. The brush for dusting and cleaning, as claimed in claim 1 , wherein the handle is comprised of a material chosen from wood, plastic, steel aluminum or a combination thereof.

4. The brush for dusting and cleaning, as claimed in claim 1 , wherein the handle is approximately between 7-21 inches long.

5. The brush for dusting and cleaning, as claimed in claim 1 , wherein the outer rail of bristles is u-shaped and comprises a first longitudinal portion, a second longitudinal portion and a curved portion, wherein the curved portion has a curvature matching a shape of the second end of the handle.

6. The brush for dusting and cleaning, as claimed in claim 1 , wherein the outer and inner rails of bristles include a plurality of bundles of bristles which are configured to make the materials airborne.

7. The brush for dusting and cleaning, as claimed in claim 1 , wherein the front row of bristles includes at least two frontal bristles.

8. The brush for dusting and cleaning, as claimed in claim 1 , wherein:

the first row of suction holes is located between the first row of outer bristles and the first row of inner bristles;

a second row of suction holes is located between the second row of outer bristles and the second row of inner bristles; and

a third row of suction holes is located between the first and second rows of inner bristles.

9. The brush for dusting and cleaning, as claimed in claim 8 , wherein the suction holes within the first, second and third rows are staggered in relation to each other.

10. The brush for dusting and cleaning, as claimed in claim 1 , wherein each row of inner bristles and outer bristles includes a plurality of bundles of horse hair bristles.

11. The brush for dusting and cleaning, as claimed in claim 1 , wherein each row of inner bristles and outer bristles includes a plurality of bundles of synthetic bristles.

12. The brush for dusting and cleaning, as claimed in claim 1 , wherein each row of inner bristles and outer bristles includes center bristles of approximately between 1.5 and 3.5 inches in length.

13. The brush for dusting and cleaning, as claimed in claim 1 , wherein the front row of bristles includes bristles that angularly protrude from the handle forming an angle other than 90 degrees.

14. The brush for dusting and cleaning, as claimed in claim 8 , additionally comprising a second sloped ridge disposed between a first hole and a second hole of the second row of suction holes and a third sloped ridge disposed between a first hole and a second hole of the third row of suction holes.

15. The brush for dusting and cleaning, as claimed in claim 1 , wherein suction holes closer to the first end of the handle are smaller than the suction holes closer to the second end of the handle.

16. The brush for dusting and cleaning, as claimed in claim 1 , further comprising a second row of suction holes and a third row of suction holes.

17. The brush for dusting and cleaning, as claimed in claim 16 , wherein each row of suction holes includes holes of approximately 0.9, 1.0, and 1.1 inches in length.

18. A brush for dusting and cleaning, comprising:

a handle having a first and second end and a hollow interior, wherein the first end of the handle is configured for attachment to a vacuum hose;

an outer rail of bristles along an outer portion of the brush having a first row of outer bristles and a second row of outer bristles;

an inner rail of bristles along an inner portion of the brush having a first row of inner bristles and a second row of inner bristles;

a row of suction holes located between the first row of outer bristles and the second row of outer bristles to remove materials trapped within the brush;

a sloped ridge separating a first hole and a second adjacent hole of the row of suction holes, the sloped ridge having a first curved portion adjacent to the first hole that slopes from an outer portion of the handle toward the hollow interior of the brush at the first hole and a second curved portion adjacent to the second hole that slopes from an outer portion of the handle toward the hollow interior of the brush at the second hole such that dust is easily suctioned into the holes; and

a front row of bristles located along the second end of the handle.

19. The brush for dusting and cleaning, as claimed in claim 18 , wherein the outer and inner rails of bristles include a plurality of bundles of bristles which are configured to make the materials airborne.

20. The brush for dusting and cleaning, as claimed in claim 18 , wherein suction holes closer to the first end of the handle are smaller than the suction holes closer to the second end of the handle.

Assignments (25)
NOTICE OF GRANT OF BACK-UP SECURITY INTEREST IN PATENTS Recorded Dec 16, 2020
From: SERVICEMASTER FUNDING LLC
To: SERVICEMASTER SYSTEMS LLC
Reel/Frame 054791/0713 →
NOTICE OF GRANT OF BACK-UP SECURITY INTEREST IN PATENTS Recorded Dec 16, 2020
From: SERVICEMASTER SYSTEMS LLC
To: SERVICEMASTER CLEAN/RESTORE SPE LLC
Reel/Frame 054791/0735 →
RELEASE OF SECURITY INTEREST Recorded Dec 16, 2020
From: BARCLAYS BANK PLC
To: SERVICEMASTER IPCO LLC
Reel/Frame 054670/0619 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2020
From: SERVICEMASTER IPCO LLC
To: RW PURCHASER LLC
Reel/Frame 054670/0642 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2020
From: RW PURCHASER LLC
To: SERVICEMASTER OPCO HOLDINGS LLC
Reel/Frame 054670/0661 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2020
From: SERVICEMASTER OPCO HOLDINGS LLC
To: SERVICEMASTER SPE HOLDCO LLC
Reel/Frame 054670/0691 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2020
From: SERVICEMASTER SPE HOLDCO LLC
To: SERVICEMASTER FUNDING LLC
Reel/Frame 054670/0716 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2020
From: SERVICEMASTER FUNDING LLC
To: SERVICEMASTER SYSTEMS LLC
Reel/Frame 054670/0789 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2020
From: SERVICEMASTER SYSTEMS LLC
To: SERVICEMASTER CLEAN/RESTORE SPE LLC
Reel/Frame 054670/0818 →
SECURITY INTEREST Recorded Dec 16, 2020
From: SERVICEMASTER CLEAN/RESTORE SPE LLC
To: CITIBANK, N.A.
Reel/Frame 054670/0830 →
NOTICE OF GRANT OF BACK-UP SECURITY INTEREST IN PATENTS Recorded Dec 16, 2020
From: SERVICEMASTER IPCO LLC
To: RW PURCHASER LLC
Reel/Frame 054791/0652 →
NOTICE OF GRANT OF BACK-UP SECURITY INTEREST IN PATENTS Recorded Dec 16, 2020
From: RW PURCHASER LLC
To: SERVICEMASTER OPCO HOLDINGS LLC
Reel/Frame 054791/0658 →
NOTICE OF GRANT OF BACK-UP SECURITY INTEREST IN PATENTS Recorded Dec 16, 2020
From: SERVICEMASTER OPCO HOLDINGS LLC
To: SERVICEMASTER SPE HOLDCO LLC
Reel/Frame 054791/0676 →
NOTICE OF GRANT OF BACK-UP SECURITY INTEREST IN PATENTS Recorded Dec 16, 2020
From: SERVICEMASTER SPE HOLDCO LLC
To: SERVICEMASTER FUNDING LLC
Reel/Frame 054791/0697 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 12, 2020
From: THE SERVICEMASTER COMPANY, LLC
To: SERVICEMASTER IPCO LLC
Reel/Frame 054352/0384 →
SECURITY INTEREST Recorded Oct 1, 2020
From: SERVICEMASTER IPCO LLC
To: BARCLAYS BANK PLC, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 053943/0049 →
NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Jul 1, 2014
From: THE SERVICEMASTER COMPANY, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 033264/0262 →
RELEASE OF TERM SECURITY INTEREST IN PATENTS Recorded Jul 1, 2014
From: CITIBANK, N.A.
To: SERVICEMASTER RESIDENTIAL/COMMERCIAL SERVICES LIMITED PARTNERSHIP; THE SERVICEMASTER COMPANY; THE TERMINIX INTERNATIONAL COMPANY LIMITED PARTNERSHIP
Reel/Frame 033264/0228 →
RELEASE OF REVOLVING SECURITY INTEREST IN PATENTS Recorded Jul 1, 2014
From: CITIBANK, N.A.
To: SERVICEMASTER RESIDENTIAL/COMMERCIAL SERVICES LIMITED PARTNERSHIP; THE SERVICEMASTER COMPANY; THE TERMINIX INTERNATIONAL COMPANY LIMITED PARTNERSHIP
Reel/Frame 033264/0235 →
CHANGE OF NAME Recorded Jun 25, 2014
From: THE SERVICEMASTER COMPANY
To: THE SERVICEMASTER COMPANY, LLC
Reel/Frame 033177/0600 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 15, 2008
From: SERVICEMASTER BRANDS, LLC
To: THE SERVICEMASTER COMPANY
Reel/Frame 020363/0874 →
REVOLVING NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Sep 12, 2007
From: SERVICEMASTER RESIDENTIAL/COMMERCIAL SERVICES LIMITED PARTNERSHIP
To: CITIBANK, N.A.
Reel/Frame 019819/0386 →
TERM NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Sep 12, 2007
From: SERVICEMASTER RESIDENTIAL/COMMERCIAL SERVICES LIMITED PARTNERSHIP
To: CITIBANK, N.A.
Reel/Frame 019819/0409 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 5, 2007
From: SERVICEMASTER RESIDENTIAL/COMMERCIAL SERVICES LIMITED PARTNERSHIP D/B/A SERVICEMASTER CLEAN
To: SERVICEMASTER BRANDS, LLC
Reel/Frame 019783/0811 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 15, 2007
From: LOFTIS, TONY
To: SERVICEMASTER CLEAN
Reel/Frame 019367/0562 →
Continuity (1)
Related Publication 20080283093A1 · Nov 20, 2008