US2292158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas blast circuit breaker
Assignee: General Electric Co
•
Filing: 1941-05-28
•
Granted: 1942-08-04
•
Expires: 1961-05-28
Abstract
No abstract record available.
Inventors
- 👤 David C Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:14
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/57; H01H33/70; H01H33/80; H01H33/82; H01H33/88; H01H2033/888; H01H9/00; H01H9/30; H01H9/34; H01H9/342
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-08-03 | 1946-02-02 | 1946-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-03 | 1950-02-02 | 1950-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-03 | 1954-02-02 | 1954-08-04 | $7700.00 | Window Closed / Lapsed |