US3166145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle road speed warning and speed control system
Assignee: Motors Liquidation Co
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Filing: 1963-04-29
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Granted: 1965-01-19
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Roscoe M Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:30
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/06; B60K31/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A VEHICLE ROAD SPEED CONTROL COMPRISING, MEANS DEFINING A CONSTANT RANGE OF VEHICLE SPEED INCLUDING A SELECTED DESIRED VEHICLE SPEED AND SUBSTANTIALLY LESS THAN THE TOTAL RANGE OF VEHICLE SPEED GENERATING A VEHICLE SPEED ERROR SIGNAL WITHIN THE CONSTANT RANGE OF VEHICLE SPEED, SERVO MEANS RECEIVING SAID SIGNAL AND MAINTAINING VEHICLE SPEED THEREBY SUBJECT TO ENERGIZATION OF A SPEED MAINTAINING LOCK-IN CIRCUIT, SAID CIRCUIT HAVING NORMALLY OPEN MANUALLY OPERATED CIRCUIT OPENING AND CLOSING MEANS AND NORMALLY OPEN CIRCUIT CLOSING MEANS IN SERIES WITH SAID MANUALLY OPERATED CIRCUIT OPENING AND CLOSING MEANS, SAID VEHICLE SPEED ERROR SIGNAL GENERATING MEANS BEING CONNECTED TO CLOSE SAID NORMALLY OPEN CIRCUIT CLOSING MEANS WHEN THE VEHICLE ENTERS SAID CONSTANT RANGE OF VEHICLE SPEED, AND A HOLDING CIRCUIT SUBJECT TO ENERGIZATION OF SAID LOCK-IN CIRCUIT FOR HOLDING SAID LOCK-IN CIRCUIT ENERGIZED INDEPENDENTLY OF SAID NORMALLY OPEN CIRCUIT CLOSING MEANS AND SAID MANUALLY OPERATED CIRCUIT OPENING AND CLOSING MEANS.
Claim 2
Dependent Claim
152 words
A VEHICLE ROAD SPEED CONTROL COMPRISING, MEANS DEFINING A CONSTANT RANGE OF VEHICLE SPEED INCLUDING A SELECTED DESIRED VEHICLE SPEED AND SUBSTANTIALLY LESS THAN THE TOTAL RANGE OF VEHICLE SPEED GENERATING A VEHICLE SPEED ERROR SIGNAL WITHIN THE CONSTANT RANGE OF VEHICLE SPEED, SERVO MEANS RECEIVING SAID SIGNAL AND MAINTAINING VEHICLE SPEED THEREBY SUBJECT TO ENERGIZATION OF A SPEED MAINTAINING LOCK-IN CIRCUIT, SAID CIRCUIT HAVING NORMALLY OPEN MANUALLY OPERATED CIRCUIT OPENING AND CLOSING MEANS AND NORMALLY OPEN CIRCUIT CLOSING MEANS IN SERIES WITH SAID MANUALLY OPERATED CIRCUIT OPENING AND CLOSING MEANS, SAID VEHICLE SPEED ERROR SIGNAL GENERATING MEANS BEING CONNECTED TO CLOSE SAID NORMALLY OPEN CIRCUIT CLOSING MEANS WHEN THE VEHICLE ENTERS SAID CONSTANT RANGE OF VEHICLE SPEED, AND A HOLDING CIRCUIT SUBJECT TO ENERGIZATION OF SAID LOCK-IN CIRCUIT FOR HOLDING SAID LOCK-IN CIRCUIT ENERGIZED INDEPENDENTLY OF SAID NORMALLY OPEN CIRCUIT CLOSING MEANS AND SAID MANUALLY OPERATED CIRCUIT OPENING AND CLOSING MEANS.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |