Patent US5351640A successfully refreshed from Google Patents.
US5351640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable manual boat hull cleaner
Assignee: Individual
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Filing: 1993-08-23
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Granted: 1994-10-04
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Expires: 2013-08-23
Abstract
Abstract A portable manual boat hull cleaner is disclosed in which a plurality of cleaning loops are attached to a strap having handles at either end, said cleaning loops comprising support pads sandwiched between a strap and a detachable scrubbing pad by two anchor flaps. The cleaning loops are placed at regular intervals along the length of the strap. The entire cleaning device may be placed beneath the hull of a boat and moved back and forth in the manner of a shoe shine rag to remove marine growth from the submerged surface of a boat hull.
Inventors
- 👤 Robert V. Attaway
- 👤 Charles E. Rodgers, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:03
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/06; B63B59/08; B63B2059/087
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
85 words
A boat hull cleaning device comprising: an elongated strap extending between a pair of longitudinally spaced apart ends having an upper surface; a plurality of cleaning loops attached to and extending above said upper surface; a plurality of support cushions attached to and extending above said upper surface and below said cleaning loop; wherein each of said plurality of support cushions comprises a deformable buoyant cylinder of a form having a diameter no greater than the distance between said elongated strap and said cleaning loop.
Claim 2
Dependent Claim
85 words
A boat hull cleaning device comprising: an elongated strap extending between a pair of longitudinally spaced apart ends having an upper surface; a plurality of cleaning loops attached to and extending above said upper surface; a plurality of support cushions attached to and extending above said upper surface and below said cleaning loop; wherein each of said plurality of support cushions comprises a deformable buoyant cylinder of a form having a diameter no greater than the distance between said elongated strap and said cleaning loop.
Claim 3
Dependent Claim
90 words
A boat hull cleaning device comprising in combination: an elongated strap extending between a pair of longitudinally spaced apart ends and having an upper surface and a lower surface; a plurality of cleaning loops disposed along said upper surface, each of said cleaning loops comprising a pair of spaced apart anchor flaps, each having a first flap end attached to said upper surface and a second flap end attached to a scrubbing pad, and a support cushion attached to said upper surface of said elongated strap under said scrubbing pad.
Claim 4
Dependent Claim
90 words
A boat hull cleaning device comprising in combination: an elongated strap extending between a pair of longitudinally spaced apart ends and having an upper surface and a lower surface; a plurality of cleaning loops disposed along said upper surface, each of said cleaning loops comprising a pair of spaced apart anchor flaps, each having a first flap end attached to said upper surface and a second flap end attached to a scrubbing pad, and a support cushion attached to said upper surface of said elongated strap under said scrubbing pad.
Claim 5
Dependent Claim
17 words
The device of claim 2 wherein said elongated strap is tapered at said longitudinally spaced apart ends.
Claim 6
Dependent Claim
17 words
The device of claim 2 wherein said elongated strap is composed of a lightweight flexible, waterproof material.
Claim 7
Dependent Claim
10 words
The device of claim 4 wherein said material is nylon.
Claim 8
Dependent Claim
34 words
A boat hull cleaning device as recited in claim 2 further comprising: a pair of handles, each of said pair of handles being attached to one of said pair of longitudinally spaced apart ends.
Claim 9
Dependent Claim
26 words
A boat hull cleaning device as recited in claim 6 wherein each of said pair of handles is selectively removable from said longitudinally spaced apart ends.
Claim 10
Dependent Claim
22 words
A boat hull cleaning device as recited in claim 2 wherein said second flap end is removably attached to said scrubbing pad.
Claim 11
Dependent Claim
11 words
The device of claim 8 wherein said scrubbing pad is rectangular.
Claim 12
Dependent Claim
37 words
The boat hull cleaning device of claim 2 wherein said scrubbing pad further comprises a top surface and a bottom surface to which said top surface, along the width of said scrubbing pad, is attached a protrusion.
Claim 13
Dependent Claim
14 words
The device of claim 2 wherein said scrubbing pad comprises a non-scratching abrasive material.
Claim 14
Dependent Claim
12 words
The device of claim 11 wherein said non-scratching abrasive material is polyethylene.
Claim 15
Dependent Claim
16 words
A boat hull cleaning device as recited in claim 2 wherein said support cushion is cylindrical.
Claim 16
Dependent Claim
31 words
The device of claim 13 wherein said cylindrical support cushion has a diameter no greater than the distance between said scrubbing pad and said strap when said cleaning loop is engaged.
Claim 17
Dependent Claim
26 words
A boat hull cleaning device as recited in claim 2 wherein said support cushion includes an arcuate surface proximate to and urged against said scrubbing pad.
Claim 18
Dependent Claim
107 words
A boat hull cleaning device comprising in combination: an elongated strap extending between a pair of longitudinally spaced apart ends and having an upper surface and a lower surface; a plurality of cleaning loops attached to and extending above said upper surface of said elongated strap, and a support cushion attached to said upper surface of said elongated strap and disposed between each of said plurality of cleaning loops and said elongated strap, wherein each of said plurality of cleaning loops comprises a selectively detachable scrubbing pad located substantially at the center of said cleaning loop attached to said elongated strap by a pair of anchor flaps.
Claim 19
Dependent Claim
107 words
A boat hull cleaning device comprising in combination: an elongated strap extending between a pair of longitudinally spaced apart ends and having an upper surface and a lower surface; a plurality of cleaning loops attached to and extending above said upper surface of said elongated strap, and a support cushion attached to said upper surface of said elongated strap and disposed between each of said plurality of cleaning loops and said elongated strap, wherein each of said plurality of cleaning loops comprises a selectively detachable scrubbing pad located substantially at the center of said cleaning loop attached to said elongated strap by a pair of anchor flaps.
Claim 20
Dependent Claim
11 words
The device of claim 16 wherein said scrubbing pad is rectangular.
Claim 21
Dependent Claim
15 words
The device of claim 16 wherein said scrubbing pad further comprises a protrusion projecting therefrom.
Claim 22
Dependent Claim
14 words
The device of claim 16 wherein said scrubbing pad comprises a non-scratching abrasive material.
Claim 23
Dependent Claim
12 words
The device of claim 16 wherein said on-scratching abrasive material is polyethylene.
Claim 24
Dependent Claim
14 words
The device of claim 16 wherein said support cushion further comprises a buoyant cylinder.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-10-03 | 1998-04-04 | 1998-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-03 | 2002-04-04 | 2002-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-03 | 2006-04-04 | 2006-10-04 | $7700.00 | Window Closed / Lapsed |