US2496704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1945-03-15
•
Granted: 1950-02-07
•
Expires: 1965-03-15
Abstract
No abstract record available.
Inventors
- 👤 Harold H Fahnoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:13
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/055; H01H85/38; H01H85/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1540119A
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US1545550A
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US1927905A
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US1849875A
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US1996901A
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US2013427A
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GB450970A
Cited
US2157906A
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US2230207A
Cited
US2309013A
Cited
US2337495A
Cited
US2354134A
Cited
US2343224A
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US2414344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |