US2826039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas inlet structure for combustion chambers
Assignee: Power Jets Research and Development Ltd
•
Filing: 1953-05-28
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Granted: 1958-03-11
•
Expires: 1973-05-28
Abstract
No abstract record available.
Inventors
- 👤 Ashwood Peter Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:35
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/16; F23R3/18; F23R3/20; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB578764A
Cited
US2546432A
Cited
US2446059A
Cited
US2610467A
Cited
US2448561A
Cited
US2531810A
Cited
US2541171A
Cited
US2601000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |