US3065934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helicopter aircraft
Assignee: Individual
•
Filing: 1957-10-15
•
Granted: 1962-11-27
•
Expires: 1977-10-15
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:09
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/22; B64C; B64C27/00; B64C27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1277206A
Cited
US1419311A
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US1514428A
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US2130918A
Cited
US2268009A
Cited
US2425499A
Cited
US2623711A
Cited
US2738146A
Cited
US2862680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |