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US2551772A
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High-tension interrupting device
Assignee: Forges et Ateliers de Constructions Electriques de Jeumont SA
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Filing: 1947-07-21
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Granted: 1951-05-08
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Expires: 1967-07-21
Abstract
No abstract record available.
Inventors
- 👤 Thibaudat Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:00
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/88; H01H33/90; H01H33/904; H01H33/02; H01H33/04; H01H33/16; H01H33/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525332A
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US1563833A
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US2039838A
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US2279024A
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US2286131A
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US2264862A
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US2429311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |