Patent US4842091A successfully refreshed from Google Patents.
US4842091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-wheeled recreational motor vehicle
Assignee: LIMBOCKER JOHN G
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Filing: 1987-08-03
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Granted: 1989-06-27
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Expires: 2007-08-03
Abstract
Abstract A self-propelled recreational vehicle of the two-wheeled type. The vehicle has a platform beneath which front and rear wheels carrying wide tires are journaled. The width of the tires is such that the vehicle will be stable regardless of whether a rider is standing on the platform.
Inventors
- 👤 William J. Badsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:26
CPC Classifications
B; B62; B62K; B62K3/00; B62K3/002
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
91 words
A self-propelled wheeled vehicle comprising a platform having a generally planar unencumbered rider's area adapted to carry a rider standing upon said platform area with feet in side by side or front and rear positions, at least one rear wheel rotatably journaled by said platform and contacting the ground within an area that underlies a vertical projection of said rider's area on the ground, power means under said platform for driving said rear wheel and at least one dirigible front wheel position beneath said platform and forwardly of said rear wheel.
Claim 2
Dependent Claim
91 words
A self-propelled wheeled vehicle comprising a platform having a generally planar unencumbered rider's area adapted to carry a rider standing upon said platform area with feet in side by side or front and rear positions, at least one rear wheel rotatably journaled by said platform and contacting the ground within an area that underlies a vertical projection of said rider's area on the ground, power means under said platform for driving said rear wheel and at least one dirigible front wheel position beneath said platform and forwardly of said rear wheel.
Claim 3
Dependent Claim
17 words
A self-propelled wheeled vehicle according to claim 1 wherein the powering means includes an internal combustion engine.
Claim 4
Dependent Claim
32 words
A self-propelled wheeled vehicle according to claim 1 further including a steering shaft extending upwardly from the platform and carrying a handlebar at its upper end for steering of the front wheel.
Claim 5
Dependent Claim
40 words
A self-propelled wheeled vehicle according to claim 3 wherein the steering shaft is connected to a fork supporting the front wheel by a pivot joint for permitting folding of the handle from an upright position to a lowered storage position.
Claim 6
Dependent Claim
21 words
A self-propelled wheeled vehicle according to claim 1 wherein there is only a single front wheel and a single rear wheel.
Claim 7
Dependent Claim
37 words
A self-propelled wheeled vehicle according to claim 5 wherein the front and rear wheels have sufficient width so that the vehicle is stable in an upright position regardless of whether a rider is standing upon the platform.
Claim 8
Dependent Claim
32 words
A self-propelled two-wheeled vehicle according to claim 6 further including a steering shaft extending upwardly from the platform and carrying a handlebar at its upper end for steering of the front wheel.
Claim 9
Dependent Claim
41 words
A self-propelled two-wheeled vehicle according to claim 7 wherein the steering shaft is connected to a fork supporting the front wheel by a pivot joint for permitting folding of the handle from an upright operating position to a lower storage position.
References Cited (Backward Citations)
DE2025715A1
Cited
US3648795A
Cited
US3995873A
Cited
US4151892A
Cited
US4143728A
Cited
US4707884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |