US2668204A
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Assignee: Cornell Dubilier Electronics Inc
•
Filing: 1951-02-23
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Granted: 1954-02-02
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Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
- 👤 William C Tregoning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:21
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/16; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1773595A
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US2047950A
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US2095176A
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US2211815A
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US2303693A
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US2321212A
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US2418005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |