Patent US3041475A successfully refreshed from Google Patents.
US3041475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic polar relay
Assignee: General Dynamics Corp
•
Filing: 1958-03-13
•
Granted: 1962-06-26
•
Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles R Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:59
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/601
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2428126A
Cited
US2430457A
Cited
US2591406A
Cited
US2697825A
Cited
US2692963A
Cited
US2734184A
Cited
US2691155A
Cited
US2784391A
Cited
US2783384A
Cited
US2816230A
Cited
US2866909A
Cited
US2910688A
Cited
US2894250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |