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Patent US3546556A successfully refreshed from Google Patents.
US3546556A
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Universal power control module for portable tool or appliance control systems
Assignee: Cutler Hammer Inc
•
Filing: 1967-11-29
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Granted: 1970-12-08
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Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence B Benkert
- 👤 Merlin R Dummer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:22
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H9/061; H02; H02P; H02P25/00; H02P25/02; H02P25/10; H02P25/14; H01H11/00; H01H2011/0093; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/917; Y10S388/919; Y10S388/935; Y10S388/937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3221192A
Cited
US3225232A
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US3327196A
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US3328613A
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US3336490A
Cited
US3484632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |