US2824196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-blast circuit breaker with multiple break
Assignee: BBC Brown Boveri AG Germany
•
Filing: 1956-02-15
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Granted: 1958-02-18
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Expires: 1976-02-15
Abstract
No abstract record available.
Inventors
- 👤 Thommen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:00
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/14; H01H2033/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532838A
Cited
US2419446A
Cited
US806009A
Cited
US2599100A
Cited
US2658976A
Cited
US2727055A
Cited
US2748226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |