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US2636583A Expired / Lapsed US ⏱️ 0.0 years remaining

Impact wrench

Assignee: Aro Equipment Corp
•
Filing: 1948-03-31
•
Granted: 1953-04-28
•
Expires: 1968-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 Edgar R Whitledge

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:29
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2373664A Cited
US2425793A Cited
US2439337A Cited
US2508997A Cited
US2575523A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-04-27 1956-10-27 1957-04-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-04-27 1960-10-27 1961-04-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-04-27 1964-10-27 1965-04-28 $7700.00 Window Closed / Lapsed

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