US3514240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid fuel ignition control system
Assignee: Liberty Combustion Corp
•
Filing: 1967-07-06
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Granted: 1970-05-26
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Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 William F Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:53
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/203; F23Q; F23Q3/00; F23Q3/004; F23N2227/00; F23N2227/04; F23N2227/36; F23N2229/00; F23N2233/00; F23N2233/06; F23N2239/00; F23N2239/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB902175A
Cited
US2011028A
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US3238992A
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US3245456A
Cited
US3336506A
Cited
US3338288A
Cited
US3306339A
Cited
US3304989A
Cited
US3318358A
Cited
US3393037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |