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US2654432A Expired / Lapsed US ⏱️ 0.0 years remaining

Card punching machine

Assignee: International Business Machines Corp
•
Filing: 1950-12-27
•
Granted: 1953-10-06
•
Expires: 1970-12-27
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Abstract

No abstract record available.

Inventors

  • 👤 Charles R Doty

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:09
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21; G05B19/23; G05B19/231; G05B19/237; B; B26; B26D; B26D5/00; B26F; B26F1/00; B26F1/02; B26F1/04; B41; B41J; B41J3/00; B41J3/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1772186A Cited
US1976618A Cited
US2080192A Cited
US2164698A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-10-05 1957-04-06 1957-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-10-05 1961-04-06 1961-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-10-05 1965-04-06 1965-10-06 $7700.00 Window Closed / Lapsed

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