Patent US2744982A successfully refreshed from Google Patents.
US2744982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupting device
Assignee: General Electric Co
•
Filing: 1953-08-24
•
Granted: 1956-05-08
•
Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Sidney R Smith
- 👤 Robert E Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:35
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/02; H01H31/12; H01H31/122; H01H31/127
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1549449A
Cited
US1864283A
Cited
US2047365A
Cited
US2134566A
Cited
US2176045A
Cited
US2197646A
Cited
US2239903A
Cited
US2260751A
Cited
US2269372A
Cited
US2409077A
Cited
US2433666A
Cited
US2532811A
Cited
US2665415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |