US2910559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: General Dynamics Corp
•
Filing: 1957-06-05
•
Granted: 1959-10-27
•
Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Wharton Armistead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:24
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2263
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US754689A
Cited
US1889515A
Cited
US1995449A
Cited
US2092478A
Cited
USRE24209E
Cited
US2767357A
Cited
US2747045A
Cited
US2706756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |