US2773149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated reclosers
Assignee: Westinghouse Electric Corp
•
Filing: 1952-09-30
•
Granted: 1956-12-04
•
Expires: 1972-09-30
Abstract
No abstract record available.
Inventors
- 👤 Alert M Opsahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:28
CPC Classifications
H; H01; H01H; H01H75/00; H01H75/02; H01H75/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021428A
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US2101338A
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US2136460A
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US2308660A
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US2528197A
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US2626329A
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US2680170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |