Patent US3514679A successfully refreshed from Google Patents.
US3514679A
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Digital pulse motor control circuit
Assignee: Datel Corp
•
Filing: 1967-11-02
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Granted: 1970-05-26
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Expires: 1987-11-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:22
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/54; G11B15/48; H; H02; H02P; H02P23/00; H02P23/22; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/2805; H02P7/285; H02P7/29; H02P7/2913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769949A
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US3110853A
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US3182243A
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US3355644A
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US3327053A
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US3328602A
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US3340951A
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US3356921A
Cited
US3329876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |