Patent US2803793A successfully refreshed from Google Patents.
US2803793A
Expired / Lapsed
US
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Motor speed control system
Assignee: Individual
•
Filing: 1954-10-29
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Granted: 1957-08-20
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Expires: 1974-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul E Wible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:10
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/26; H02P7/265; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050624A
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US2202172A
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US2351760A
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US2395517A
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US2403921A
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US2389692A
Cited
US2445773A
Cited
US2509730A
Cited
US2521058A
Cited
US2471916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |