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US2316231A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for inserting wire coils in tapped holes

Assignee: AIRCRAFT SCREW PROD CO
•
Filing: 1942-06-16
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Granted: 1943-04-13
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Expires: 1962-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Evans Neil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:46
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/143; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881; Y10T29/53; Y10T29/53613; Y10T29/53622; Y10T29/53687; Y10T29/53691

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1946-04-12 1946-10-12 1947-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-04-12 1950-10-12 1951-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-04-12 1954-10-12 1955-04-13 $7700.00 Window Closed / Lapsed

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