US2479315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid actuated circuit breaker operating mechanism
Assignee: General Electric Co
•
Filing: 1945-06-12
•
Granted: 1949-08-16
•
Expires: 1965-06-12
Abstract
No abstract record available.
Inventors
- 👤 Thellwell R Coggeshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:56
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780564A
Cited
US2163982A
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US2188803A
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US2286023A
Cited
US2292095A
Cited
US2403082A
Cited
US2383288A
Cited
US2378270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |