Patent US2959007A successfully refreshed from Google Patents.
US2959007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engine ignition system utilizing pyrophoric fuel
Assignee: Curtiss Wright Corp
•
Filing: 1957-02-13
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Granted: 1960-11-08
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Expires: 1977-02-13
Abstract
No abstract record available.
Inventors
- 👤 Russell W Gregory
- 👤 Emil O Kalil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:50
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |