Patent US4240171A successfully refreshed from Google Patents.
US4240171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimmer's aid
Assignee: Individual
•
Filing: 1979-07-26
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Granted: 1980-12-23
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Expires: 1999-07-26
Abstract
Abstract The present swimmer's aid has a centrally positioned hand grip arrangement for receiving the swimmer's hands close together and flotation elements extending laterally outward on both sides beyond the hand grip arrangement for flotation stability.
Inventors
- 👤 William N. Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:26
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/12; A63B69/14
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
147 words
A swimmer's aid comprising; hand grip means for engagement simultaneously by both of the swimmer's hands; and flotation means attached to said hand grip means and extending laterally outward on each side beyond said hand grip means to provide flotation stability; said flotation means comprising a unitary float member having an upwardly convex top surface and a downwardly convex bottom surface, said float member also having a downwardly-facing recess in its bottom midway across its lateral extent, said float member presenting downwardly-projecting flotation segments on opposite laterally outer sides of said recess; and said hand grip means comprises a bar within said recess anchored at its opposite ends in said downwardly-projecting segments of the float member, said bar extending laterally across said recess spaced far enough from the bottom surface of the float member within said recess to permit the swimmer's fingers to extend over the bar.
Claim 2
Dependent Claim
147 words
A swimmer's aid comprising; hand grip means for engagement simultaneously by both of the swimmer's hands; and flotation means attached to said hand grip means and extending laterally outward on each side beyond said hand grip means to provide flotation stability; said flotation means comprising a unitary float member having an upwardly convex top surface and a downwardly convex bottom surface, said float member also having a downwardly-facing recess in its bottom midway across its lateral extent, said float member presenting downwardly-projecting flotation segments on opposite laterally outer sides of said recess; and said hand grip means comprises a bar within said recess anchored at its opposite ends in said downwardly-projecting segments of the float member, said bar extending laterally across said recess spaced far enough from the bottom surface of the float member within said recess to permit the swimmer's fingers to extend over the bar.
Claim 3
Dependent Claim
16 words
A swimmer's aid according to claim 1 wherein said float member has a tapered leading edge.
Claim 4
Dependent Claim
23 words
A swimmer's aid according to claim 1 wherein said float member has a tapered, rounded leading edge and a tapered, rounded trailing edge.
Claim 5
Dependent Claim
24 words
A swimmer's aid according to claim 1 wherein said bar is located substantially midway between the leading and trailing edges of said float member.
Claim 6
Dependent Claim
25 words
A swimmer's aid according to claim 1 wherein: said bottom surface extends rearward from its leading edge and intersects said recess forwardly of said bar.
Claim 7
Dependent Claim
24 words
A swimmer's aid according to claim 5 wherein said bottom surface is inclined downward and rearward from the leading edge of the float member.
Claim 8
Dependent Claim
32 words
A swimmer's aid according to claim 6 wherein said float member has a tapered, rounded leading edge in front of said bottom surface and a tapered, rounded trailing edge behind said recess.
Claim 9
Dependent Claim
34 words
A swimmer's aid according to claim 7, and further comprising eyes on the opposite sides of said float member for the attachment of a tow line for pulling the float member through the water.
Claim 10
Dependent Claim
27 words
A swimmer's aid according to claim 1 and further comprising attachment members fastened to the opposite sides of said float member and attachable to a tow line.
References Cited (Backward Citations)
US2290943A
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US2593321A
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US3174702A
Cited
US3181493A
Cited
US3146470A
Cited
US3830188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |