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US2840126A Expired / Lapsed US ⏱️ 0.0 years remaining

Power operated automatic screw driver

Assignee: Individual
•
Filing: 1955-12-02
•
Granted: 1958-06-24
•
Expires: 1975-12-02
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Abstract

No abstract record available.

Inventors

  • 👤 Schmitt Helmut

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:41
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1889330A Cited
US1945741A Cited
US2261134A Cited
US2327074A Cited
US2373992A Cited
US2605792A Cited
US2670770A Cited
US2657721A Cited
GB704991A Cited
US2658538A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-06-23 1961-12-23 1962-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-06-23 1965-12-23 1966-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-06-23 1969-12-23 1970-06-24 $7700.00 Window Closed / Lapsed

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