US2996892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volatile fuel flow control valve
Assignee: Individual
•
Filing: 1958-10-10
•
Granted: 1961-08-22
•
Expires: 1978-10-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:02
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; B; B01; B01J; B01J4/00; B01J4/008; F; F02; F02M; F02M21/00; F02M2700/00; F02M2700/12; F02M2700/123; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2044443A
Cited
US2226810A
Cited
US2365423A
Cited
US2645906A
Cited
US2757516A
Cited
US2719518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |