US2875305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-breakers having magnetic blow-out
Assignee: Merlin Gerin SA
•
Filing: 1956-07-16
•
Granted: 1959-02-24
•
Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Latour Andre
- 👤 Ramponneau Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:30
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/14; H01H; H01H3/00; H01H3/22; H01H3/30; H01H3/3005; H01H3/3026; H01H3/32; H01H3/36; H01H9/00; H01H9/30; H01H9/34; H01H9/345; H01H2003/3089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US541332A
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US590806A
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US668300A
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US1736043A
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US2069171A
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US2430008A
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US2520258A
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US2515596A
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US2614197A
Cited
US2734971A
Cited
US2745515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |