US2690532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorded motor control system
Assignee: Individual
•
Filing: 1949-05-18
•
Granted: 1954-09-28
•
Expires: 1969-05-18
Abstract
No abstract record available.
Inventors
- 👤 Johnson Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:57
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/16; B; B23; B23Q; B23Q15/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T29/53; Y10T29/53039; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T82/00; Y10T82/14; Y10T82/25; Y10T82/2502; Y10T82/2531; Y10T82/2541; Y10T82/2552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511956A
Cited
US2213108A
Cited
US2275317A
Cited
US2310955A
Cited
US2423440A
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US2475245A
Cited
US2537770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |