Patent US3182709A successfully refreshed from Google Patents.
US3182709A
Expired / Lapsed
US
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Controlled fuel limiter
Assignee: Individual
•
Filing: 1963-04-08
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Granted: 1965-05-11
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 John T Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:26
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0047; F02M37/0052; F02D; F02D33/00; F02D33/003; F02D33/006; F02M37/0076; F02M37/0082; F02M37/0088; F02M37/04; F02M37/08; F02M37/10; F02M37/106; F02M37/20; B; B60; B60K; B60K15/00; B60K15/03; B60K2015/03118; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2849; Y10T137/7069; Y10T137/8593; Y10T137/86187; Y10T137/86292; Y10T70/00; Y10T70/50; Y10T70/5889; Y10T70/5912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN AN ENGINE FUEL SYSTEM, SAID ENGINE BEING SUPPLIED FUEL FROM A FUEL TANK BY THE PUMPING ACTION OF A VACUUM PUMP, MEANS FOR SELECTIVELY LIMITING THE AVAILABLE FUEL SUPPLY TO THE ENGINE TO A PREDETERMINED AMOUNT COMPRISING A SUBSTANTIALLY AIRTIGHT CONTAINER, MEANS FOR CONNECTING SAID CONTAINER TO SAID FUEL TANK, MEANS FOR CONTINUALLY CONNECTING THE TOP OF SAID CONTAINER TO SAID VACUUM PUMP TO PROVIDE FOR THE SCAVENGING OF AIR FROM SAID CONTAINER, MEANS FOR CONTINUALLY CONNECTING THE BOTTOM OF SAID CONTAINER TO SAID VACUUM PUMP, AND VALVE MEANS CONNECTED TO SAID CONTAINER FOR SELECTIVELY PERMITTING AIR TO ENTER SAID CONTAINER, WHEREBY WHEN AIR IS PERMITTED TO ENTER SAID CONTAINER, SAID PUMP PUMPS ONLY THE FUEL SUPPLY REMAINING IN SAID CONTAINER TO SAID ENGINE.
Claim 2
Dependent Claim
125 words
IN AN ENGINE FUEL SYSTEM, SAID ENGINE BEING SUPPLIED FUEL FROM A FUEL TANK BY THE PUMPING ACTION OF A VACUUM PUMP, MEANS FOR SELECTIVELY LIMITING THE AVAILABLE FUEL SUPPLY TO THE ENGINE TO A PREDETERMINED AMOUNT COMPRISING A SUBSTANTIALLY AIRTIGHT CONTAINER, MEANS FOR CONNECTING SAID CONTAINER TO SAID FUEL TANK, MEANS FOR CONTINUALLY CONNECTING THE TOP OF SAID CONTAINER TO SAID VACUUM PUMP TO PROVIDE FOR THE SCAVENGING OF AIR FROM SAID CONTAINER, MEANS FOR CONTINUALLY CONNECTING THE BOTTOM OF SAID CONTAINER TO SAID VACUUM PUMP, AND VALVE MEANS CONNECTED TO SAID CONTAINER FOR SELECTIVELY PERMITTING AIR TO ENTER SAID CONTAINER, WHEREBY WHEN AIR IS PERMITTED TO ENTER SAID CONTAINER, SAID PUMP PUMPS ONLY THE FUEL SUPPLY REMAINING IN SAID CONTAINER TO SAID ENGINE.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |