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US2749839A Expired / Lapsed US ⏱️ 0.0 years remaining

Record controlled printing machine

Assignee: International Business Machines Corp
•
Filing: 1951-05-22
•
Granted: 1956-06-12
•
Expires: 1971-05-22
📄 Original PDF 🌐 Google Patents

Abstract

No abstract record available.

Inventors

  • 👤 Arnold B Crowell
  • 👤 Paul J Schlessiger
  • 👤 Joseph C Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 06:37
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1951682A Cited
US1951592A Cited
US1997167A Cited
US2036024A Cited
US2090920A Cited
US2076717A Cited
US2189046A Cited
US2290827A Cited
US2282067A Cited
US2415279A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-06-12 1959-12-12 1960-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-06-12 1963-12-12 1964-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-06-12 1967-12-12 1968-06-12 $7700.00 Window Closed / Lapsed

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