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US2522048A
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Assignee: Cutler Hammer Inc
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Filing: 1945-05-05
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Granted: 1950-09-12
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Expires: 1965-05-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:33
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563578A
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US1940422A
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US1902743A
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US1955327A
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US2177775A
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US2182038A
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US2276085A
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US2271433A
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US2296157A
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US2367382A
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US2453161A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |