US3433015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine combustion apparatus
Assignee: National Aeronautics and Space Administration
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Filing: 1965-06-23
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Granted: 1969-03-18
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Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Sneeden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:09
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/041; F23R3/16; F05; F05B; F05B2240/00; F05B2240/80; F05B2240/801; F05D; F05D2240/00; F05D2240/80; F05D2240/81; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |