US3378741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital coarse and fine stepping motor control using an encoder for coarse position
Assignee: International Business Machines Corp
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Filing: 1964-09-18
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Granted: 1968-04-16
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Sutton John Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:46
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/39; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41326; G05B2219/42; G05B2219/42212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3004251A
Cited
US3098187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |