US2828636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetically operated rotary actuator
Assignee: Monroe Calculating Machine Co
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Filing: 1957-01-25
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Granted: 1958-04-01
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Expires: 1977-01-25
Abstract
No abstract record available.
Inventors
- 👤 George V Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/08; F16H25/12; F16H25/125; F16H25/18; F16H25/186; F16H2025/127; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE659975C
Cited
US2539090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |