US2428684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arresting hook retracting mechanism
Assignee: Teledyne Ryan Aeronautical Corp
•
Filing: 1945-03-28
•
Granted: 1947-10-07
•
Expires: 1965-03-28
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Sanborn
- 👤 Earl A Kops
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:49
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/68
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1562549A
Cited
US1749438A
Cited
US1966956A
Cited
GB398977A
Cited
US2001620A
Cited
US2132721A
Cited
US2147536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |