US3256949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering and drive control mechanism for vehicles
Assignee: REAL ESTATE SECURITIES Inc
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Filing: 1964-02-27
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Granted: 1966-06-21
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 John F Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:35
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07568
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
158 words
IN A VEHICLE HAVING A DRIVE MOTOR AND A PAIR OF LATERALLY SPACED DRIVE WHEELS MOUNTED FOR INDEPENDENT ROTATION; STEERING AND DRIVE CONTROL MECHANISM FOR SAID DRIVE WHEELS, COMPRISING (A) A PAIR OF AXIALLY ALIGNED ROTARY DRIVEN SHAFTS ONE COUPLED TO EACH DRIVE WHEEL, (B) A PAIR OF LATERALLY SPACED GEARS MOUNTED FREELY ON EACH DRIVEN SHAFT FOR ROTATION INDEPENDENTLY OF THE SHAFT AND EACH OTHER, (C) EACH GEAR HAVING A CLUTCH PLATE BEARING SURFACE FACING THE BEARING SURFACE OF THE OTHER GEAR OF THE PAIR OF DISPOSED SUBSTANTIALLY NORMAL TO THE AXIS OF THE ASSOCIATED DRIVEN SHAFT, (D) A PINION ENGAGING THE GEARS OF EACH PAIR FOR ROTATING THE LATTER IN OPPOSITE DIRECTIONS, (E) COUPLING MEANS CONNECTING THE PINIONS TO THE DRIVE MOTOR, (F) A PAIR OF CLUTCH PLATES ASSOCIATED WITH EACH SHAFT AND ONE ASSOCIATED WITH EACH GEAR, EACH PAIR OF CLUTCH PLATES BEING MOUNTED ON THE ASSOCIATED SHAFT FOR ROTATION THEREWITH AND FROM LONGITUDINAL MOVE-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |