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US2691910A Expired / Lapsed US ⏱️ 0.0 years remaining

Ratchet wrench with safety collar

Assignee: Individual
•
Filing: 1953-03-02
•
Granted: 1954-10-19
•
Expires: 1973-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Griak Mike
  • 👤 Arthur O Hammer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 05:21
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25B13/463

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB190007164A Cited
US1095347A Cited
US1334432A Cited
US1436610A Cited
US2233091A Cited
US2544795A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-10-18 1958-04-19 1958-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-10-18 1962-04-19 1962-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-10-18 1966-04-19 1966-10-19 $7700.00 Window Closed / Lapsed

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