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US3130049A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing printing plates comprising naphthoquinone diazides reproduction coatings

Assignee: Azoplate Corp
•
Filing: 1960-04-13
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Granted: 1964-04-21
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Expires: 1980-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 Neugebauer Wilhelm
  • 👤 Sus Oskar
  • 👤 Fritz Gerhard
  • 👤 Uhlig Fritz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:08
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/022; B; B60; B60C; B60C5/00; B60C5/02; B60C5/04; B60C5/08; B60C5/20; G06; G06K; G06K15/00; G06K15/02; G06K15/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 27 words
A PROCESS FOR MAKING A PRINTING PLATE WHICH COMPRISES EXPOSING A COATED BASE MATERIAL TO LIGHT UNDER A MASTER, THE COATING COMPRISING A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim 27 words
A PROCESS FOR MAKING A PRINTING PLATE WHICH COMPRISES EXPOSING A COATED BASE MATERIAL TO LIGHT UNDER A MASTER, THE COATING COMPRISING A COMPOUND HAVING THE FORMULA

References Cited (Backward Citations)

US2514234A Cited
GB706028A Cited
GB729746A Cited
GB732544A Cited
GB737379A Cited
GB706879A Cited
GB739654A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-04-21 1967-10-21 1968-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-04-21 1971-10-21 1972-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-04-21 1975-10-21 1976-04-21 $7700.00 Window Closed / Lapsed

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