US2959776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft distress unit
Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1960-11-08
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Morrah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:47
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US793775A
Cited
US2199990A
Cited
US2323064A
Cited
US2357417A
Cited
US2751582A
Cited
US2778332A
Cited
US2831967A
Cited
US2867799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |