US3236496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel flow control valve
Assignee: Old Carco LLC
•
Filing: 1963-02-20
•
Granted: 1966-02-22
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Aaron D Rosenstein
- 👤 Richard C Edwards
- 👤 Eugene P Wise
- 👤 Frank L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:07
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4328; F02M2700/4333; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A LIQUID FUEL FLOW REGULATING VALVE MEANS COMPRISING PORT MEANS INCLUDING A VALVE SEAT AND PORT RESTRICTING MEANS INCLUDING A VALVE MEMBER, SAID VALVE SEAT AND VALVE MEMBER BEING RELATIVELY MOVABLE FOR EFFECTING ENGAGEMENT AND DISENGAGEMENT THEREOF, ONE OF SAID VALVE SEAT AND VALVE MEMBER BEING OF A RELATIVELY SOFT ELASTOMERIC MATERIAL AND THE OTHER BEING OF A HARD AND RELATIVELY INFLEXIBLE MATERIAL, SAID ELASTOMERIC MATERIAL BEING ESSENTIALLY CONSTITUTED OF THE CURED PRODUCT OF A POLYMERIC COMPOUND CONTAINING A MAJOR PORTION OF UNITS OF HEXAFLUOROPROPENE AND VINYLIDENE FLUORIDE.
Claim 2
Dependent Claim
88 words
A LIQUID FUEL FLOW REGULATING VALVE MEANS COMPRISING PORT MEANS INCLUDING A VALVE SEAT AND PORT RESTRICTING MEANS INCLUDING A VALVE MEMBER, SAID VALVE SEAT AND VALVE MEMBER BEING RELATIVELY MOVABLE FOR EFFECTING ENGAGEMENT AND DISENGAGEMENT THEREOF, ONE OF SAID VALVE SEAT AND VALVE MEMBER BEING OF A RELATIVELY SOFT ELASTOMERIC MATERIAL AND THE OTHER BEING OF A HARD AND RELATIVELY INFLEXIBLE MATERIAL, SAID ELASTOMERIC MATERIAL BEING ESSENTIALLY CONSTITUTED OF THE CURED PRODUCT OF A POLYMERIC COMPOUND CONTAINING A MAJOR PORTION OF UNITS OF HEXAFLUOROPROPENE AND VINYLIDENE FLUORIDE.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |