US2658702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency exit means for aircraft
Assignee: Curtiss Wright Corp
•
Filing: 1950-05-01
•
Granted: 1953-11-10
•
Expires: 1970-05-01
Abstract
No abstract record available.
Inventors
- 👤 Wilbur W Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:29
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050593A
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US2037805A
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US2075042A
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US2052439A
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US2196546A
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US2213310A
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US2383930A
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US2405878A
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US2529908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |