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US1772186A Expired / Lapsed US ⏱️ 0.0 years remaining

Duplicating punching device

Assignee: Tabulating Machine Co
•
Filing: 1925-06-03
•
Granted: 1930-08-05
•
Expires: 1945-06-03
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Abstract

No abstract record available.

Inventors

  • 👤 Fred L Lee
  • 👤 Burdett H Phillips

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:29
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B65; B65H; B65H5/00; B65H5/04; B26D; B26D5/00; B26D5/08; B26D5/10; B26D7/00; B26D7/06; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1914

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) 1933-08-04 1934-02-03 1934-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-08-04 1938-02-03 1938-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-08-04 1942-02-03 1942-08-05 $7700.00 Window Closed / Lapsed

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