Patent US2934629A successfully refreshed from Google Patents.
US2934629A
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Arc blowing chimneys for circuit breakers having a large breaking capacity
Assignee: Alcatel Lucent SAS
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Filing: 1957-09-04
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Granted: 1960-04-26
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Expires: 1977-09-04
Abstract
No abstract record available.
Inventors
- 👤 Bonnefois Jean
- 👤 Huckel Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:45
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34; H01H9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1840292A
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US1888707A
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US1966316A
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US1963643A
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FR846872A
Cited
US2353729A
Cited
GB618749A
Cited
US2639353A
Cited
US2632074A
Cited
US2596865A
Cited
US2734970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |