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US2416625A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for sensing tabulating cards and the like

Assignee: AMF Inc
•
Filing: 1942-09-23
•
Granted: 1947-02-25
•
Expires: 1962-09-23
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Abstract

No abstract record available.

Inventors

  • 👤 John W Hooper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:42
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/08; G06K7/081

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2357860A Cited
US1855569A Cited
US1741992A Cited
US1905332A Cited
US1985035A Cited
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US2123812A Cited
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US2254932A Cited
US2294681A Cited
US2294751A Cited
US2285152A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-02-24 1950-08-26 1951-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-02-24 1954-08-26 1955-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-02-24 1958-08-26 1959-02-25 $7700.00 Window Closed / Lapsed

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