US2941372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft cooling and vapor utilization system
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1955-06-14
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Granted: 1960-06-21
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Expires: 1975-06-14
Abstract
No abstract record available.
Inventors
- 👤 John E Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:18
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/006; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10S; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2142828A
Cited
US2001484A
Cited
US2145678A
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US2082850A
Cited
US2183452A
Cited
US2365786A
Cited
GB612468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |