US2646949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-panel slidable and jettisonable roof for the cockpits of aircraft
Assignee: Individual
•
Filing: 1949-11-29
•
Granted: 1953-07-28
•
Expires: 1969-11-29
Abstract
No abstract record available.
Inventors
- 👤 Saulnier Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:09
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2196546A
Cited
US2367075A
Cited
US2375925A
Cited
US2403250A
Cited
US2424245A
Cited
US2556062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |