US3370580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control for an automotive vehicle
Assignee: WALLACE J VNUK
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Filing: 1966-09-16
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Granted: 1968-02-27
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Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Wallace J Vnuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:53
CPC Classifications
F; F02; F02D; F02D41/00; F02D41/30; B; B60; B60K; B60K31/00; B60K31/02; F02D17/00; F02D17/04; F02D31/00; F02D31/001; F02D31/007; G; G01; G01P; G01P3/00; G01P3/42; G01P3/56; G01P3/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A MOTOR VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE, A SPEED-CONTROL SYSTEM COMPRISING ELECTROMAGNETIC CONTROL MEANS, MEANS FOR MAINTAINING THE ENGINE IN A NORMAL OPERATING STATE WHEN SAID CONTROL MEANS IS ENERGIZED, A SOURCE OF CURRENT, AN ENERGIZING CIRCUIT CONNECTING SAID SOURCE TO SAID CONTROL MEANS, SAID ENERGIZING CIRCUIT INCLUDING A FIRST BRANCH CONTAINING A FIRST OVERLOADRESPONSIVE CIRCUIT-BREAKING DEVICE, A SECOND BRANCH CONTAINING A SECOND OVERLOAD-RESPONSIVE CIRCUIT-BREAKING DEVICE, AND SELECTOR SWITCH MEANS TO AT TIMES SWITCH SAID SECOND BRANCH INTO SAID ENERGIZING CIRCUIT IN PLACE OF SAID FIRST BRANCH, MEANS TO OVERLOAD SAID FIRST CIRCUITBREAKING DEVICE AND TO CAUSE IT TO OPEN RESPONSIVE TO AN INCREASE IN SPEED OF SAID ENGINE BEYOND A PREDETERMINED VALUE, WHEREBY TO DE-ENERGIZE SAID ELECTROMAGNETIC CONTROL MEANS A FIRST TIME AND WHEREBY SAID CONTROL MEANS. CAN BE RE-ENERGIZED BY OPERATING THE SELECTOR SWITCH MEANS TO SWITCH THE SECOND BRANCH INTO SAID ENERGIZING CIRCUIT, AND MEANS TO OVERLOAD SAID SECOND OVERLOAD-RESPONSIVE CIRCUIT-BREAKING DEVICE AND CAUSE IT TO OPEN RESPONSIVE TO ANOTHER INCREASE IN SPEED OF SAID ENGINE BEYOND SAID PREDETERMINED VALUE.
Claim 2
Dependent Claim
175 words
IN A MOTOR VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE, A SPEED-CONTROL SYSTEM COMPRISING ELECTROMAGNETIC CONTROL MEANS, MEANS FOR MAINTAINING THE ENGINE IN A NORMAL OPERATING STATE WHEN SAID CONTROL MEANS IS ENERGIZED, A SOURCE OF CURRENT, AN ENERGIZING CIRCUIT CONNECTING SAID SOURCE TO SAID CONTROL MEANS, SAID ENERGIZING CIRCUIT INCLUDING A FIRST BRANCH CONTAINING A FIRST OVERLOADRESPONSIVE CIRCUIT-BREAKING DEVICE, A SECOND BRANCH CONTAINING A SECOND OVERLOAD-RESPONSIVE CIRCUIT-BREAKING DEVICE, AND SELECTOR SWITCH MEANS TO AT TIMES SWITCH SAID SECOND BRANCH INTO SAID ENERGIZING CIRCUIT IN PLACE OF SAID FIRST BRANCH, MEANS TO OVERLOAD SAID FIRST CIRCUITBREAKING DEVICE AND TO CAUSE IT TO OPEN RESPONSIVE TO AN INCREASE IN SPEED OF SAID ENGINE BEYOND A PREDETERMINED VALUE, WHEREBY TO DE-ENERGIZE SAID ELECTROMAGNETIC CONTROL MEANS A FIRST TIME AND WHEREBY SAID CONTROL MEANS. CAN BE RE-ENERGIZED BY OPERATING THE SELECTOR SWITCH MEANS TO SWITCH THE SECOND BRANCH INTO SAID ENERGIZING CIRCUIT, AND MEANS TO OVERLOAD SAID SECOND OVERLOAD-RESPONSIVE CIRCUIT-BREAKING DEVICE AND CAUSE IT TO OPEN RESPONSIVE TO ANOTHER INCREASE IN SPEED OF SAID ENGINE BEYOND SAID PREDETERMINED VALUE.
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |