US2941790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine actuated starter and dryer
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1957-05-01
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Granted: 1960-06-21
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Expires: 1977-05-01
Abstract
No abstract record available.
Inventors
- 👤 William A Compton
- 👤 Harvey A Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/268; F02C7/27; F02C3/00; F02C3/32; F02C6/00; F02C6/04; F26; F26B; F26B21/00; F26B21/001
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) | 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 |