US3553886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch and drive assembly for model vehicles
Assignee: Individual
•
Filing: 1968-04-03
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Granted: 1971-01-12
•
Expires: 1988-04-03
Abstract
Abstract A POWER TRAIN FOR MODEL VEHICLES WHICH VEHICLE INCLUDES A POWER SOURCE, THERE BEING DRIVING MEANS ROTATABLY CARRIED BY THE POWER SOURCE, CLUTCH MEANS SHIFTABLY CARRIED BY THE VEHICLE FOR ENGAGEMENT WITH THE DRIVING MEANS AND COUPLING MEANS SIMULTANEOUSLY ENGAGEABLE WITH THE CLUTCH MEANS WHEREBY THE WHEEL AND AXLE UNIT OF THE VEHICLE MAY BE DRIVEN, THERE BEING APPARATUS CARRIED BY THE VEHICLE WHEREBY THE CLUTCH EANS MAY BE SHIFTED FROM A PORTION REMOTE FROM THE VEHICLE. VARIOUS COMBINATIIONS OF CLUTCH AND COUPLING MEANS GIVE REVERSE DRIVE TO THE VEHICLE AND FORWARD DRIVE IN VARYING RATIOS.
Inventors
- 👤 Harry M Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:17
CPC Classifications
A; A63; A63H; A63H31/00; A63H31/04; A63H30/00; A63H30/02; A63H30/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |