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US2625627A
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US
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High-voltage contactor system
Assignee: Canadian Controllers Ltd
•
Filing: 1947-03-19
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Granted: 1953-01-13
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Expires: 1967-03-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick Y Grepe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:23
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR860510A
Cited
US2293513A
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US2353729A
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US2345724A
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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) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |