Patent US2780916A successfully refreshed from Google Patents.
US2780916A
Expired / Lapsed
US
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Pilot burner for jet engines
Assignee: Continental Aviation and Engineering Corp
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Filing: 1952-08-22
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Granted: 1957-02-12
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Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 Collins Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:34
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18; F23R3/20; F23R3/28; F23R3/34; F23R3/343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1273466A
Cited
US2475911A
Cited
US2625795A
Cited
US2520388A
Cited
FR981045A
Cited
US2659195A
Cited
US2625788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |