US2664531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control circuit
Assignee: Schneider Electric Buildings Americas Inc
•
Filing: 1952-03-18
•
Granted: 1953-12-29
•
Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Robert T Nakasone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:15
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297187A
Cited
US2508639A
Cited
US2600170A
Cited
US2538494A
Cited
US2489689A
Cited
US2519043A
Cited
US2574837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |