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US638601A Expired / Lapsed US ⏱️ 0.0 years remaining

Die-holder for screw-threading machines.

Assignee: Individual
•
Filing: 1899-05-13
•
Granted: 1899-12-05
•
Expires: 1919-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Michael C Seren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:25
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; B23G5/10; B23G5/12; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17717; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/859; Y10T408/8591; Y10T408/85915

Claims Analysis

Total Claims: 0
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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) 1902-12-05 1903-06-06 1903-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1906-12-05 1907-06-06 1907-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1910-12-05 1911-06-06 1911-12-06 $7700.00 Window Closed / Lapsed

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