US3177920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priming and venting arrangement for fuel feed system
Assignee: Tillotson Manufacturing Co
•
Filing: 1961-08-04
•
Granted: 1965-04-13
•
Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
F; F02; F02M; F02M5/00; F02M5/08; F02M1/00; F02M1/16; F02M17/00; F02M17/02; F02M17/04; Y; Y10; Y10S; Y10S261/00; Y10S261/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A FUEL FEED SYSTEM INCLUDING A CHARGE FORMING APPARATUS, A FUEL PUMP ARRANGED TO RECEIVED LIQUID FUEL FROM A FUEL TANK, A MANUALLY OPERABLE PRIMING PUMP TUBULAR MEANS CONNECTING THE PRIMING PUMP WITH THE FUEL PUMP AND THE SUPPLY TANK, DUCT MEANS ARRANGED TO CONVEY LIQUID FUEL FROM THE FUEL PUMP TO THE CHARGE FORMING APPARATUS, VENTING MEANS INCLUDING A FITTING FORMED WILTH A VENT PASSAGE HAVING COMMUNICATION WITH SAID DUCT MEANS, MANUALLLY OPERABLE VALVE MEANS NORMALLY CLOSING THE PASSAGE, SAID VALVE MEANS BEING MOVABLE TO A POSITION TO VENT THE PASSAGE FOR PURGING AIR FROM THE TUBULAR MEANS AND THE DUCT MEANS, AND MEANS NORMALLY BIASING THE VALVE MEANS TOWARD CLOSED POSITION SAID VENTING MEANS INCLUDING MEANS ARRANGED TO BE VISIBLE TO THE OPERATOR WHEREBY DISCHARGE OF FUEL THROUGH THE VENTING MEANS INDICATES THE COMPLETION OF PURGING OF AIR FROM THE FUEL FEED SYSTEM.
Claim 2
Dependent Claim
145 words
A FUEL FEED SYSTEM INCLUDING A CHARGE FORMING APPARATUS, A FUEL PUMP ARRANGED TO RECEIVED LIQUID FUEL FROM A FUEL TANK, A MANUALLY OPERABLE PRIMING PUMP TUBULAR MEANS CONNECTING THE PRIMING PUMP WITH THE FUEL PUMP AND THE SUPPLY TANK, DUCT MEANS ARRANGED TO CONVEY LIQUID FUEL FROM THE FUEL PUMP TO THE CHARGE FORMING APPARATUS, VENTING MEANS INCLUDING A FITTING FORMED WILTH A VENT PASSAGE HAVING COMMUNICATION WITH SAID DUCT MEANS, MANUALLLY OPERABLE VALVE MEANS NORMALLY CLOSING THE PASSAGE, SAID VALVE MEANS BEING MOVABLE TO A POSITION TO VENT THE PASSAGE FOR PURGING AIR FROM THE TUBULAR MEANS AND THE DUCT MEANS, AND MEANS NORMALLY BIASING THE VALVE MEANS TOWARD CLOSED POSITION SAID VENTING MEANS INCLUDING MEANS ARRANGED TO BE VISIBLE TO THE OPERATOR WHEREBY DISCHARGE OF FUEL THROUGH THE VENTING MEANS INDICATES THE COMPLETION OF PURGING OF AIR FROM THE FUEL FEED SYSTEM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |