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US2873326A
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US
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Electrical apparatus
Assignee: KOONTZ WAGNER ELECTRIC CO Inc
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Filing: 1957-05-20
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Granted: 1959-02-10
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Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 James F Kurtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:30
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000934A
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US978377A
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US1240351A
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US1522546A
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US1765381A
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US2127887A
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US2180661A
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US2381075A
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US2435484A
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US2650970A
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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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |