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US2984133A Expired / Lapsed US ⏱️ 0.0 years remaining

Torque limiting screw driver

Assignee: Individual
•
Filing: 1958-06-23
•
Granted: 1961-05-16
•
Expires: 1978-06-23
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Abstract

No abstract record available.

Inventors

  • 👤 Milford S Zimmerman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:36
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2704472A Cited
US2732746A Cited
US1881633A Cited
FR846203A Cited
US2396040A Cited
US2472659A Cited
US2686446A Cited
US2857793A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-15 1964-11-14 1965-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-15 1968-11-14 1969-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-15 1972-11-14 1973-05-16 $7700.00 Window Closed / Lapsed

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