US2774071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coincidence finding circuit
Assignee: General Dynamics Corp
•
Filing: 1950-09-21
•
Granted: 1956-12-11
•
Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert B Trousdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:30
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2308778A
Cited
US2387018A
Cited
US2356519A
Cited
US2520132A
Cited
US2506612A
Cited
US2506613A
Cited
US2512676A
Cited
US2492136A
Cited
US2553605A
Cited
US2638505A
Cited
US2490833A
Cited
US2666809A
Cited
US2619548A
Cited
US2541932A
Cited
US2594389A
Cited
US2694751A
Cited
US2706748A
Cited
US2716159A
Cited
US2747021A
Cited
US2747019A
Cited
US2747020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |