US3514053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft,especially of the vtol type
Assignee: Individual
•
Filing: 1967-12-19
•
Granted: 1970-05-26
•
Expires: 1987-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gilbert R Mcguinness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:51
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066; B64C39/00; B64C39/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA678700A
Cited
US2947496A
Cited
US2935275A
Cited
US2863621A
Cited
US3045951A
Cited
US3372892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |