US3628491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-walking device
Assignee: Individual
•
Filing: 1970-04-23
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Granted: 1971-12-21
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Expires: 1990-04-23
Abstract
Abstract A floating water-walking device has a horizontal cylindrical tread portion joined at its opposite ends to a pair of paddle wheels coaxial with it. Each of the wheels have circumferentially spaced radial vanes and is at least as great in diameter as the tread portion. The latter is large enough to stand on so that if the floating device is rotated by the feet of a person standing on it the paddle wheels will cause it to travel across the water.
Inventors
- 👤 William R Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:18
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/02; B63B1/04; B63B1/041; B63B34/00; B63B34/50; B63B34/56
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
146 words
A water-walking device designed to float in a body of water, comprising a horizontal cylindrical tread portion joined at its opposite ends to a pair of paddle wheels coaxial therewith, each of said wheels having circumferentially spaced radial vanes, the diameter of each wheel being at least as great as the diameter of said tread portion, the tread portion being large enough to stand on, whereby if the floating device is rotated by the feet of a person standing on it said paddle wheels will cause it to travel across the water, said tread portion being provided with an annular groove, a loop around the tread portion in said groove, and a line connected to the loop and extending upwardly therefrom and adapted to be pulled by said person to pull the loop tightly against said tread portion, whereby to manually control rotation of said device.
Claim 2
Dependent Claim
146 words
A water-walking device designed to float in a body of water, comprising a horizontal cylindrical tread portion joined at its opposite ends to a pair of paddle wheels coaxial therewith, each of said wheels having circumferentially spaced radial vanes, the diameter of each wheel being at least as great as the diameter of said tread portion, the tread portion being large enough to stand on, whereby if the floating device is rotated by the feet of a person standing on it said paddle wheels will cause it to travel across the water, said tread portion being provided with an annular groove, a loop around the tread portion in said groove, and a line connected to the loop and extending upwardly therefrom and adapted to be pulled by said person to pull the loop tightly against said tread portion, whereby to manually control rotation of said device.
Claim 3
Dependent Claim
64 words
A water-walking device according to claim 1, in which said paddle wheels are larger in diameter than said tread portion, and each end of the tread portion is provided with an annular groove having an outer wall formed by the adjoining paddle wheel, said device including a separate loop around the tread portion in each of said grooves, and said line connecting the loops.
Claim 4
Dependent Claim
117 words
A water-walking device designed to float in a bOdy of water, comprising a horizontal cylindrical tread portion joined at its opposite ends to a pair of paddle wheels coaxial therewith, each of said wheels having circumferentially spaced radial vanes, the diameter of each wheel being at least as great as the diameter of said tread portion, and the tread portion being large enough to stand on, whereby if the floating device is rotated by the feet of a person standing on it said paddle wheels will cause it to travel across the water, said device being hollow and formed from flexible impervious rubberlike material and provided with a normally closed opening to permit it to be inflated.
Claim 5
Dependent Claim
117 words
A water-walking device designed to float in a bOdy of water, comprising a horizontal cylindrical tread portion joined at its opposite ends to a pair of paddle wheels coaxial therewith, each of said wheels having circumferentially spaced radial vanes, the diameter of each wheel being at least as great as the diameter of said tread portion, and the tread portion being large enough to stand on, whereby if the floating device is rotated by the feet of a person standing on it said paddle wheels will cause it to travel across the water, said device being hollow and formed from flexible impervious rubberlike material and provided with a normally closed opening to permit it to be inflated.
References Cited (Backward Citations)
US2175197A
Cited
US3223411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |