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US3450553A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure sensitive record material

Assignee: International Business Machines Corp
•
Filing: 1966-01-03
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Granted: 1969-06-17
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Expires: 1986-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 James M Billet
  • 👤 Michael T Orinik
  • 👤 James O Thompson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:23
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38235; B41M5/025; B41M5/035; B41M5/124; B41M5/132; B41M5/155; G; G03; G03C; G03C1/00; G03C1/52; G03C1/58

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2929736A Cited
US2972547A Cited
US3179600A Cited
US3020171A Cited
US3305382A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-16 1972-12-16 1973-06-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-16 1976-12-16 1977-06-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-16 1980-12-16 1981-06-17 $7700.00 Window Closed / Lapsed

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