US2673263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermomagnetic electric relay
Assignee: General Electric Co
•
Filing: 1951-05-18
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Granted: 1954-03-23
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Expires: 1971-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert T Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:00
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/74; H01H71/7418; H01H71/10; H01H71/12; H01H71/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1248084A
Cited
USRE15441E
Cited
GB211158A
Cited
US1687515A
Cited
US2004114A
Cited
US2035743A
Cited
US2170341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |