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US3525630A Expired / Lapsed US ⏱️ 0.0 years remaining

Colorless ink to give black print

Assignee: Appvion LLC
•
Filing: 1969-03-13
•
Granted: 1970-08-25
•
Expires: 1989-03-13
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Abstract

No abstract record available.

Inventors

  • 👤 Paul S Phillips Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:28
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/50; B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/136; B41M5/145; B41M5/165; B41M5/1655

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3239366A Cited
US3455721A Cited
US3427180A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-08-24 1974-02-23 1974-08-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-08-24 1978-02-23 1978-08-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-08-24 1982-02-23 1982-08-25 $7700.00 Window Closed / Lapsed

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