US3053482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nacelle and structure cooling system for use with ejector type vtol aircraft
Assignee: Lockheed Martin Corp
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Filing: 1961-08-23
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Granted: 1962-09-11
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Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Florence M Matthews
- 👤 Hal D Stribling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:23
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1199711A
Cited
US2973922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |