US2679295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helicopter blade jet combustion chamber
Assignee: General Electric Co
•
Filing: 1949-12-30
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Granted: 1954-05-25
•
Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 James R Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:25
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/34; F23R3/346; B; B64; B64C; B64C27/00; B64C27/04; B64C27/12; B64C27/16; B64C27/18; F02; F02K; F02K7/00; F02K7/005; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR423590A
Cited
GB191127087A
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FR648107A
Cited
GB275677A
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US1820946A
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US2286909A
Cited
US2465525A
Cited
US2482260A
Cited
US2485502A
Cited
US2458497A
Cited
US2518000A
Cited
US2526222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |