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Patent US4072124A successfully refreshed from Google Patents.
US4072124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nautical vehicle
Assignee: GEMEINES FORCHUNGSINSTITUT ANSTALT
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Filing: 1975-10-14
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Granted: 1978-02-07
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Expires: 1995-10-14
Abstract
Abstract A nautical vehicle comprising at least one pedal system, adapted to be operated by at least one user to drive inflatable wheels providing the floatation, propulsion and direction of the vehicle, preferably it further comprises a differential gear for transmitting a rotating movement from the pedal driving system to at least two wheels mounted on either side of the vehicle respectively, and devices for separately braking of the two wheels.
Inventors
- 👤 Paul Meyrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:25
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/08; B63H16/12; B63H1/00; B63H1/38; B63H16/20; B63H2016/202
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
94 words
A nautical vehicle adapted to be operated by at least one user, comprising two identical sets of at least one inflatable wheel on each side of said vehicle, driving means comprising a pedal-like system and means for transmitting the motion of the pedal system to all of said wheels, and steering means comprising essentially means for selective braking of one set of said wheels and wherein said driving means comprises a differential gear comprising an input shaft coupled to said pedal-like system and two output shafts respectively coupled to said two sets of wheels.
Claim 2
Dependent Claim
94 words
A nautical vehicle adapted to be operated by at least one user, comprising two identical sets of at least one inflatable wheel on each side of said vehicle, driving means comprising a pedal-like system and means for transmitting the motion of the pedal system to all of said wheels, and steering means comprising essentially means for selective braking of one set of said wheels and wherein said driving means comprises a differential gear comprising an input shaft coupled to said pedal-like system and two output shafts respectively coupled to said two sets of wheels.
Claim 3
Dependent Claim
45 words
A vehicle according to claim 1 wherein said steering means comprises a single hand-wheel, means for connecting said hand wheel to said set of wheels, the direction of rotation of said hand wheel determining the set of wheels on which a braking action is applied.
Claim 4
Dependent Claim
20 words
A vehicle according to claim 2 wherein said means for connecting said hand wheel to said wheels comprise a cable.
Claim 5
Dependent Claim
19 words
A vehicle according to claim 3 wherein each set of wheels comprises a front wheel and a rear wheel.
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) | 1981-02-06 | 1981-08-08 | 1982-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-06 | 1985-08-08 | 1986-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-06 | 1989-08-08 | 1990-02-07 | $7700.00 | Window Closed / Lapsed |