US3009042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupters
Assignee: Westinghouse Electric Corp
•
Filing: 1958-04-18
•
Granted: 1961-11-14
•
Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Jack E Schrameck
- 👤 Richard E Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2108560A
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DE695051C
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US2290560A
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GB582599A
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US2459600A
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US2581571A
Cited
GB611775A
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US2627005A
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DE926016C
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US2757261A
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FR1156322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |