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US3007085A Expired / Lapsed US ⏱️ 0.0 years remaining

Three-position electromagnetic actuator

Assignee: International Business Machines Corp
•
Filing: 1959-04-17
•
Granted: 1961-10-31
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Expires: 1979-04-17
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest G Newman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:14
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43; G11B15/26; G11B15/28; G11B15/29; H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2803968A Cited
US2792217A Cited
US2877012A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-30 1965-05-01 1965-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-30 1969-05-01 1969-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-30 1973-05-01 1973-10-31 $7700.00 Window Closed / Lapsed

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