Patent US1952171A successfully refreshed from Google Patents.
US1952171A
Expired / Lapsed
US
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Motor control system for automatic poise devices
Assignee: General Electric Co
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Filing: 1931-09-03
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Granted: 1934-03-27
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Expires: 1951-09-03
Abstract
No abstract record available.
Inventors
- 👤 Benjamin W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:49
CPC Classifications
G; G01; G01G; G01G1/00; G01G1/18; G01G1/26; G01G1/36; G01G1/38; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-26 | 1937-09-25 | 1938-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-26 | 1941-09-25 | 1942-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-26 | 1945-09-25 | 1946-03-27 | $7700.00 | Window Closed / Lapsed |