Patent US3254697A successfully refreshed from Google Patents.
US3254697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply system
Assignee: Individual
•
Filing: 1964-03-18
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Granted: 1966-06-07
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Lyman L Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:54
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/06; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4841; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86139
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A FUEL SUPPLY SYSTEM FOR A FUEL CONSUMING DEVICE COMPRISING A FIRST FUEL TANK HAVING A FUEL OUTLET, A FUEL LINE CONNECTED TO SAID OUTLET, A FIRST FUEL PUMP HAVING AN INLET CONNECTED TO SAID FUEL LINE, A SECOND FUEL TANK HAVING AN INLET AND AN OUTLET, A FIRST COUPLING CONNECTING THE INLET OF SAID SECOND FUEL TANK IN FLUID COMMUNICATION WITH SAID FUEL LINE BETWEEN THE FIRST FUEL TANK AND SAID FUEL PUMP, A SECOND FUEL PUMP HAVING A FUEL INLET AND A FUEL OUTLET, THE FUEL INLET OF SAID SECOND FUEL PUMP BEING OPERATIVELY CONNECTED TO SAID OUTLET OF SAID SECOND FUEL TANK, A SECOND COUPLING CONNECTING SAID OUTLET OF SAID SECOND FUEL PUMP TO SAID FUEL LINE BETWEEN SAID FIRST COUPLING AND SAID FIRST FUEL PUMP, AND VALVE MEANS IN SAID FUEL LINE BETWEEN SAID COUPLINGS OPERABLE TO PREVENT PASSAGE OF FUEL FORM SAID OUTLET OF SAID SECOND FUEL PUMP TO SAID INLET OF SAID SECOND FUEL TANK.
Claim 2
Dependent Claim
161 words
A FUEL SUPPLY SYSTEM FOR A FUEL CONSUMING DEVICE COMPRISING A FIRST FUEL TANK HAVING A FUEL OUTLET, A FUEL LINE CONNECTED TO SAID OUTLET, A FIRST FUEL PUMP HAVING AN INLET CONNECTED TO SAID FUEL LINE, A SECOND FUEL TANK HAVING AN INLET AND AN OUTLET, A FIRST COUPLING CONNECTING THE INLET OF SAID SECOND FUEL TANK IN FLUID COMMUNICATION WITH SAID FUEL LINE BETWEEN THE FIRST FUEL TANK AND SAID FUEL PUMP, A SECOND FUEL PUMP HAVING A FUEL INLET AND A FUEL OUTLET, THE FUEL INLET OF SAID SECOND FUEL PUMP BEING OPERATIVELY CONNECTED TO SAID OUTLET OF SAID SECOND FUEL TANK, A SECOND COUPLING CONNECTING SAID OUTLET OF SAID SECOND FUEL PUMP TO SAID FUEL LINE BETWEEN SAID FIRST COUPLING AND SAID FIRST FUEL PUMP, AND VALVE MEANS IN SAID FUEL LINE BETWEEN SAID COUPLINGS OPERABLE TO PREVENT PASSAGE OF FUEL FORM SAID OUTLET OF SAID SECOND FUEL PUMP TO SAID INLET OF SAID SECOND FUEL TANK.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |