US2522241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: General Electric Co
•
Filing: 1946-02-19
•
Granted: 1950-09-12
•
Expires: 1966-02-19
Abstract
No abstract record available.
Inventors
- 👤 Hoorn Fred G Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:23
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1054; H01H2071/1063; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416163A
Cited
US2385292A
Cited
US2416169A
Cited
US2382995A
Cited
US2409115A
Cited
US2406265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |