Patent US2612621A successfully refreshed from Google Patents.
US2836382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leg restraining means for ejection seats for aircraft
Assignee: Individual
•
Filing: 1953-11-18
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Granted: 1958-05-27
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Expires: 1973-11-18
Abstract
No abstract record available.
Inventors
- 👤 Martin James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1846200A
Cited
US1891418A
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US1898090A
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US1967767A
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US2036953A
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DE740609C
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US2432125A
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US2528532A
Cited
US2591875A
Cited
US2574178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |