US2969935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible aircraft
Assignee: Individual
•
Filing: 1957-09-09
•
Granted: 1961-01-31
•
Expires: 1977-09-09
Abstract
No abstract record available.
Inventors
- 👤 Carl C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:40
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042994A
Cited
US1867963A
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US2015150A
Cited
US2372498A
Cited
US2650573A
Cited
US2621001A
Cited
US2708081A
Cited
US2802153A
Cited
US2835456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |