US2736852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic digital motor control system for machine tools
Assignee: Individual
•
Filing: 1955-01-10
•
Granted: 1956-02-28
•
Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Eldred C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:28
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/35; G05B19/351; G05B19/04; G05B19/0405; G05B2219/00; G05B2219/30; G05B2219/34; G05B2219/34236; G05B2219/35; G05B2219/35356; G05B2219/42; G05B2219/42186; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1849642A
Cited
US2656106A
Cited
US2484968A
Cited
US2536916A
Cited
US2537427A
Cited
US2672067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |