US3073122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket igniter
Assignee: RTX Corp
•
Filing: 1959-06-02
•
Granted: 1963-01-15
•
Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Walter A Ledwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2956403A
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US2864234A
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |