US3116807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle speed control
Assignee: Motors Liquidation Co
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Filing: 1962-02-27
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Granted: 1964-01-07
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Douglas G Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:18
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/103; F; F02; F02D; F02D41/00; F02D41/30; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/4802; G01P3/4805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A DEVICE FOR CONTROLLING THE SPEED OF A VEHICLE, THE COMBINATION COMPRISING MEANS FOR VARYING THE SPEED OF SAID VEHICLE, MEANS FOR PRODUCING ELECTRICAL IMPULSES IN ACCORDANCE WITH THE SPEED OF SAID VEHICLE, MEANS FOR CONVERTING SAID IMPULSES TO A FIRST VOLTAGE HAVING A VALUE PROPORTIONAL TO THE ACTUAL SPEED OF SAID VEHICLE, MEANS FOR ADDITIONALLY CONVERTING SAID IMPULSES TO A SECOND VOLTAGE PROPORTIONAL TO A DESIRED SPEED FOR SAID VEHICLE, SAID SECOND VOLTAGE BEING CONSTANT AND INDEPENDENT OF THE ACTUAL SPEED OF SAID VEHICLE, MEANS FOR COMBINING SAID FIRST AND SECOND VOLTAGES TO OBTAIN A THIRD VOLTAGE HAVING A GIVEN POLARITY WHEN SAID FIRST VOLTAGE IS GREATER THAN SAID SECOND VOLTAGE AND HAVING A REVERSE POLARITY WHEN SAID FIRST VOLTAGE IS LESS THAN THAT OF SAID SECOND VOLTAGE, AND MEANS APPLYING SAID THIRD VOLTAGE TO SAID MEANS FOR VARYING THE SPEED OF SAID VEHICLE.
Claim 2
Dependent Claim
146 words
IN A DEVICE FOR CONTROLLING THE SPEED OF A VEHICLE, THE COMBINATION COMPRISING MEANS FOR VARYING THE SPEED OF SAID VEHICLE, MEANS FOR PRODUCING ELECTRICAL IMPULSES IN ACCORDANCE WITH THE SPEED OF SAID VEHICLE, MEANS FOR CONVERTING SAID IMPULSES TO A FIRST VOLTAGE HAVING A VALUE PROPORTIONAL TO THE ACTUAL SPEED OF SAID VEHICLE, MEANS FOR ADDITIONALLY CONVERTING SAID IMPULSES TO A SECOND VOLTAGE PROPORTIONAL TO A DESIRED SPEED FOR SAID VEHICLE, SAID SECOND VOLTAGE BEING CONSTANT AND INDEPENDENT OF THE ACTUAL SPEED OF SAID VEHICLE, MEANS FOR COMBINING SAID FIRST AND SECOND VOLTAGES TO OBTAIN A THIRD VOLTAGE HAVING A GIVEN POLARITY WHEN SAID FIRST VOLTAGE IS GREATER THAN SAID SECOND VOLTAGE AND HAVING A REVERSE POLARITY WHEN SAID FIRST VOLTAGE IS LESS THAN THAT OF SAID SECOND VOLTAGE, AND MEANS APPLYING SAID THIRD VOLTAGE TO SAID MEANS FOR VARYING THE SPEED OF SAID VEHICLE.
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |