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US3061430A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic process for making printing plates and light sensitive naphthoquinone therefor

Assignee: Azoplate Corp
•
Filing: 1960-01-07
•
Granted: 1962-10-30
•
Expires: 1980-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Uhlig Fritz
  • 👤 Endermann Fritz
  • 👤 Neugebauer Wilhelm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:52
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03F; G03F7/00; G03F7/004; G03F7/022

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL HAVING A COATING THEREON, THE COATING COMPRISING A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim 20 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL HAVING A COATING THEREON, THE COATING COMPRISING A COMPOUND HAVING THE FORMULA

References Cited (Backward Citations)

GB706028A Cited
GB739654A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-29 1966-04-30 1966-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-29 1970-04-30 1970-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-29 1974-04-30 1974-10-30 $7700.00 Window Closed / Lapsed

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