US2965810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker trip circuits
Assignee: Westinghouse Electric Corp
•
Filing: 1955-01-03
•
Granted: 1960-12-20
•
Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Glen L Claybourn
- 👤 Guy W Champney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:15
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/08; H02H3/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US714181A
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US1134752A
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US1154359A
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US1973538A
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US1980395A
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US2056040A
Cited
US2242950A
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US2354158A
Cited
US2309433A
Cited
US2361208A
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US2548625A
Cited
US2608606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |