US2654859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control
Assignee: Schneider Electric Buildings Americas Inc
•
Filing: 1949-12-14
•
Granted: 1953-10-06
•
Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 John L Drnek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:27
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1472; G05D3/1445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339930A
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US2115834A
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US1971313A
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US2113436A
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US2109776A
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US2119061A
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US2383942A
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US2263497A
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US2277653A
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US2443784A
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US2460276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |