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US2431594A Expired / Lapsed US ⏱️ 0.0 years remaining

Collet chuck holder

Assignee: EMBOSOGRAF Corp OF AMERICA
•
Filing: 1945-01-17
•
Granted: 1947-11-25
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Expires: 1965-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Charles P Wernig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 17:10
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/067; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529; Y10T279/17538; Y10T279/17547; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/567

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US917152A Cited
US1017846A Cited
US1097726A Cited
US1260130A Cited
US2308493A Cited
US2353757A Cited
US2338060A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-11-24 1951-05-26 1951-11-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-11-24 1955-05-26 1955-11-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-11-24 1959-05-26 1959-11-25 $7700.00 Window Closed / Lapsed

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