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US3390318A
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Acceleration control device for an electric motor including a unijunction transistorand a controlled rectifier
Assignee: Raymond Corp
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Filing: 1965-07-06
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Granted: 1968-06-25
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Hiram G Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:57
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/02; B60L15/08; H; H02; H02P; H02P1/00; H02P1/16; H02P1/18; H02P1/20; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/907; Y10S388/917; Y10S388/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2452127A
Cited
US3230438A
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US3226627A
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US3341769A
Cited
US3341759A
Cited
US3304487A
Cited
US3287617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |