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US3034512A Expired / Lapsed US ⏱️ 0.0 years remaining

Tabulator card and system for coding and sorting same

Assignee: Individual
•
Filing: 1957-01-24
•
Granted: 1962-05-15
•
Expires: 1977-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Paul H Hunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 02:40
CPC Classifications
G; G06; G06K; G06K17/00; G06K17/0003; G06K17/0009

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1425963A Cited
US1449078A Cited
US1656999A Cited
US1669238A Cited
US2002807A Cited
US2136859A Cited
US2353001A Cited
US2484642A Cited
US2502785A Cited
US2762952A Cited
US2697514A Cited
US2709001A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-14 1965-11-13 1966-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-14 1969-11-13 1970-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-14 1973-11-13 1974-05-15 $7700.00 Window Closed / Lapsed

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