US2822207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release ejector
Assignee: North American Aviation Corp
•
Filing: 1953-11-20
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Granted: 1958-02-04
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 John C Steinmetz
- 👤 Daniel E Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:20
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/02; B64D1/04; B64D1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2699908A
Cited
US1946185A
Cited
US2206777A
Cited
US2447941A
Cited
US2549785A
Cited
US2466980A
Cited
US2736522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |