US3240224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for the momentary blasting of the interrupter contacts gap in pressurised gas circuit breakers
Assignee: BBC Brown Boveri AG Germany
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Filing: 1963-09-23
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Granted: 1966-03-15
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Horl Konrad
- 👤 Slameczka Otto Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:52
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/1228; H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/56; Y; Y10; Y10T; Y10T137/00; Y10T137/3367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH49950A
Cited
US2361225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |