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US1277481A Expired / Lapsed US ⏱️ 0.0 years remaining

Tool-holder.

Assignee: Armstrong Bros Tool Co
•
Filing: 1917-08-11
•
Granted: 1918-09-03
•
Expires: 1937-08-11
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Abstract

No abstract record available.

Inventors

  • 👤 William S Robinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:04
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/12; B23B29/14; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/137

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1921-09-02 1922-03-04 1922-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-09-02 1926-03-04 1926-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-09-02 1930-03-04 1930-09-03 $7700.00 Window Closed / Lapsed

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