US3136507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic auxiliary fuel system
Assignee: Individual
•
Filing: 1962-06-27
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Granted: 1964-06-09
•
Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Erlanger
- 👤 John W Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:03
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A FUEL SYSTEM FOR AN ENGINE: A COLLAPSIBLE MAIN FUEL TANK; MEANS FOR MAINTAINING SAID MAIN TANK UNDER A POSITIVE CONSTANT FIRST PRESSURE; A COLLAPSIBLE AUXILIARY FUEL TANK; MEANS FOR MAINTAINING SAID AUXILIARY TANK UNDER A POSITIVE CONSTANT SECOND PRESSURE; A FUEL LINE CONNECTING THE MAIN TANK AND THE AUXILIARY TANK TO THE ENGINE, SAID FIRST PRESSURE BEING GREATER THAN SAID SECOND PRESSURE; WHEREBY ALL FUEL IS DISCHARGED FROM THE MAIN TANK PRIOR TO ANY DISCHARGE OF FUEL FROM THE AUXILIARY TANK.
Claim 2
Dependent Claim
83 words
IN A FUEL SYSTEM FOR AN ENGINE: A COLLAPSIBLE MAIN FUEL TANK; MEANS FOR MAINTAINING SAID MAIN TANK UNDER A POSITIVE CONSTANT FIRST PRESSURE; A COLLAPSIBLE AUXILIARY FUEL TANK; MEANS FOR MAINTAINING SAID AUXILIARY TANK UNDER A POSITIVE CONSTANT SECOND PRESSURE; A FUEL LINE CONNECTING THE MAIN TANK AND THE AUXILIARY TANK TO THE ENGINE, SAID FIRST PRESSURE BEING GREATER THAN SAID SECOND PRESSURE; WHEREBY ALL FUEL IS DISCHARGED FROM THE MAIN TANK PRIOR TO ANY DISCHARGE OF FUEL FROM THE AUXILIARY TANK.
References Cited (Backward Citations)
US2146729A
Cited
US2170136A
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US2450954A
Cited
US2867395A
Cited
US3014474A
Cited
US2941762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |