US2740859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid actuated circuit breaker operating mechanism
Assignee: General Electric Co
•
Filing: 1953-12-28
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Granted: 1956-04-03
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Expires: 1973-12-28
Abstract
No abstract record available.
Inventors
- 👤 John W Beatty
- 👤 Reed M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:56
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/036; H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/34; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/212; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41527; F15B2211/41536; F15B2211/41572; F15B2211/42; F15B2211/421; F15B2211/426; F15B2211/455; F15B2211/46; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/75; F15B2211/77; F15B2211/7716; H01H2033/308; Y; Y10; Y10S; Y10S91/00; Y10S91/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |