US3289711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the hydrocarbon evaporation losses from automotive vehicles
Assignee: Individual
•
Filing: 1965-12-13
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Granted: 1966-12-06
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Fred V Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:45
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/08; F02M25/0854; Y; Y10; Y10S; Y10S55/00; Y10S55/28; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A DEVICE FOR CONTROLLING FUEL EVAPORATION AND LEAKAGE LOSSES WHEN FILLING AN AUTOMOBILE FUEL TANK HAVING A FILLING SPOUT FROM A FILLING STATION PUMP HAVING A NOZZLE, COMPRISING: VAPOR SEAL MEANS FOR SEALING BETWEEN SAID SPOUT AND SAID NOZZLE TO PREVENT LEAKAGE OF VAPORS FROM SAID TANK WHEN IT IS BEING FILLED WITH GASOLINE, A VENT LINE EXTENDING FROM SAID TANK, AND FILTER MEANS FOR WITHDRAWING GASOLINE VAPOR FROM AIR CONNECTED TO SAID GASOLINE VENT LINE.
Claim 2
Independent Claim
76 words
A DEVICE FOR CONTROLLING FUEL EVAPORATION AND LEAKAGE LOSSES WHEN FILLING AN AUTOMOBILE FUEL TANK HAVING A FILLING SPOUT FROM A FILLING STATION PUMP HAVING A NOZZLE, COMPRISING: VAPOR SEAL MEANS FOR SEALING BETWEEN SAID SPOUT AND SAID NOZZLE TO PREVENT LEAKAGE OF VAPORS FROM SAID TANK WHEN IT IS BEING FILLED WITH GASOLINE, A VENT LINE EXTENDING FROM SAID TANK, AND FILTER MEANS FOR WITHDRAWING GASOLINE VAPOR FROM AIR CONNECTED TO SAID GASOLINE VENT LINE.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |