US2648040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible motor control system
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1951-02-08
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Granted: 1953-08-04
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Expires: 1971-02-08
Abstract
No abstract record available.
Inventors
- 👤 Schneider Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:27
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1226696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |