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Patent US2866043A successfully refreshed from Google Patents.
US2866043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1955-08-23
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Granted: 1958-12-23
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Dickinson Robert Charles
- 👤 Olsson Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:33
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/38; H01H9/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147820A
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US1640556A
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US2020935A
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US1950552A
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US2244061A
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US2378124A
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US2399485A
Cited
US2622173A
Cited
US2575730A
Cited
US2523140A
Cited
US2660635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |