Patent US3889770A successfully refreshed from Google Patents.
US3889770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled vehicles
Assignee: Individual
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Filing: 1973-06-20
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Granted: 1975-06-17
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Expires: 1993-06-20
Abstract
Abstract The invention provides a composite road vehicle comprising major and minor powered units which are drivable separately and interlockable, preferably back-to-back, in a manner permitting power from driven wheels of the minor unit to be transmitted to the road as an adjunct to power from the major unit.
Inventors
- 👤 Hugh Grahame Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:00
CPC Classifications
B; B62; B62D; B62D65/00; B62D65/02; B62D65/04; B60; B60K; B60K5/00; B60K5/08; B60L; B60L50/00; B60L50/50; B60L50/60; B60L50/61; B60L50/62; B62D21/00; B62D21/14; B62D47/00; B62D47/006; B62D53/00; B62D53/04; B62D61/00; B62D61/10; B60L2200/00; B60L2200/28; B60L2270/00; B60L2270/40; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/62; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
54 words
A composite vehicle comprising a major unit with a selfcontained power unit driving the front wheels, and a minor unit with a self-contained power unit and rear wheel drive attachable to the back of the major unit with its driven wheels between and substantially axially aligned with the rear wheels of the major unit.
Claim 2
Dependent Claim
54 words
A composite vehicle comprising a major unit with a selfcontained power unit driving the front wheels, and a minor unit with a self-contained power unit and rear wheel drive attachable to the back of the major unit with its driven wheels between and substantially axially aligned with the rear wheels of the major unit.
Claim 3
Dependent Claim
86 words
A composite passenger vehicle comprised by a substantially conventional I.C.E. front wheel drive passenger car constituting a major unit and, having at the rear anchorage means for the rear of a subsidiary three-wheel vehicle, constituting a minor unit, forming part of the composite vehicle, whose rear wheels are driven by a smaller motor, which wheels, when attached to the conventional car, lie between and in substantial alignment with the rear wheels of that conventional car so as to be capable of transmitting power to the road.
Claim 4
Dependent Claim
86 words
A composite passenger vehicle comprised by a substantially conventional I.C.E. front wheel drive passenger car constituting a major unit and, having at the rear anchorage means for the rear of a subsidiary three-wheel vehicle, constituting a minor unit, forming part of the composite vehicle, whose rear wheels are driven by a smaller motor, which wheels, when attached to the conventional car, lie between and in substantial alignment with the rear wheels of that conventional car so as to be capable of transmitting power to the road.
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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |