Patent US3424409A successfully refreshed from Google Patents.
US3424409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Occupant escape apparatus for an aircraft or the like
Assignee: Stanley Aviation Corp
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Filing: 1966-12-12
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Granted: 1969-01-28
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Robert M Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:48
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2683415A
Cited
US2826120A
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US2892602A
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US2751171A
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US2946261A
Cited
US3242862A
Cited
US3020011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |