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US2107969A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making record cards for statistical machines

Assignee: Individual
•
Filing: 1937-03-26
•
Granted: 1938-02-08
•
Expires: 1957-03-26
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Abstract

No abstract record available.

Inventors

  • 👤 Valtat Raymond Louis Andre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:14
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/02; G06K19/022; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0505; Y10T83/0524

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) 1941-02-07 1941-08-09 1942-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-02-07 1945-08-09 1946-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-02-07 1949-08-09 1950-02-08 $7700.00 Window Closed / Lapsed

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