US3287007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle control
Assignee: Motors Liquidation Co
•
Filing: 1964-10-20
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Granted: 1966-11-22
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Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Wayne S Schoeppach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:21
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/06; F02M3/062; Y; Y10; Y10S; Y10S261/00; Y10S261/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A CONTROL FOR AN INTERNAL COMBUSTION ENGINE HAVING A THROTTLE MOVABLE BETWEEN OPEN AND CLOSED POSITIONS TO VARY ENGINE SPEED AND HAVING INDEPENDENT MEANS FOR MOVING SAID THROTTLE, COMPRISING A PRESSURE-RESPONSIVE MEMBER ADAPTED TO BE CONNECTED WITH SAID THROTTLE TO CONTROL SAID THROTTLE NEAR ITS CLOSED POSITION, MEANS TO APPLY ENGINE VACUUM AGAINST SAID MEMBER IN A THROTTLE CLOSING DIRECTION, MEANS BIASING SAID MEMBER IN A THROTTLE OPENING DIRECTION, AND MEANS TO ADMIT ATMOSPHERE AGAINST SAID MEMBER IN A THROTTLE OPENING DIRECTION ONLY WHEN SAID THROTTLE IS OPENED BY SAID INDEPENDENT MEANS.
Claim 2
Dependent Claim
92 words
A CONTROL FOR AN INTERNAL COMBUSTION ENGINE HAVING A THROTTLE MOVABLE BETWEEN OPEN AND CLOSED POSITIONS TO VARY ENGINE SPEED AND HAVING INDEPENDENT MEANS FOR MOVING SAID THROTTLE, COMPRISING A PRESSURE-RESPONSIVE MEMBER ADAPTED TO BE CONNECTED WITH SAID THROTTLE TO CONTROL SAID THROTTLE NEAR ITS CLOSED POSITION, MEANS TO APPLY ENGINE VACUUM AGAINST SAID MEMBER IN A THROTTLE CLOSING DIRECTION, MEANS BIASING SAID MEMBER IN A THROTTLE OPENING DIRECTION, AND MEANS TO ADMIT ATMOSPHERE AGAINST SAID MEMBER IN A THROTTLE OPENING DIRECTION ONLY WHEN SAID THROTTLE IS OPENED BY SAID INDEPENDENT MEANS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |