US2687010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion apparatus
Assignee: Power Jets Research and Development Ltd
•
Filing: 1948-10-11
•
Granted: 1954-08-24
•
Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 Ellis Hugh Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23C; F23C99/00; F23D; F23D11/00; F23R3/02; F23R3/04; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1533533A
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US2332866A
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US2398654A
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US2475911A
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US2517015A
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US2510571A
Cited
US2488911A
Cited
US2601000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |