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US3114174A Expired / Lapsed US ⏱️ 0.0 years remaining

Mold for making flexible printing plates for corrugated board

Assignee: Individual
•
Filing: 1962-09-12
•
Granted: 1963-12-17
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Expires: 1982-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence S Kunetka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:22
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/04; B29; B29C; B29C43/00; B32; B32B; B32B15/00; B32B15/04; B32B15/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 94 words
A MOLD FOR MAKING RUBBER PRINTING PLATES COMPRISING A BASE STRUCTURE HAVING A MATRIX FOR THE MOLD INTEGRAL WITH A SURFACE THEREOF FOR REPRODUCING TYPE FACES ON A RUBBER PRINTING PLATE MOLDED THEREFROM , SAID BASE STRUCTURE COMPRISING, A UNITARY ASSEMBLAGE OF A PERFORATED METAL SHEET, A LAYER OF CELLULOSIC GRANULES COHERED TOGETHER BY MEANS OF A CURED THERMOSETTING RESIN AND A SECOND SHEET OF HEAT RESISTANT FIBROUS MATERIAL AND A CURED THERMOSETTING RESIN, SAID METAL SHEET BEING SANDWICHED BETWEEN SAID LAYER AND SECOND SHEET AND LAYER PROVIDING SAID SURFACE HAVING SAID MATRIX THEREON.
Claim 2
Dependent Claim 94 words
A MOLD FOR MAKING RUBBER PRINTING PLATES COMPRISING A BASE STRUCTURE HAVING A MATRIX FOR THE MOLD INTEGRAL WITH A SURFACE THEREOF FOR REPRODUCING TYPE FACES ON A RUBBER PRINTING PLATE MOLDED THEREFROM , SAID BASE STRUCTURE COMPRISING, A UNITARY ASSEMBLAGE OF A PERFORATED METAL SHEET, A LAYER OF CELLULOSIC GRANULES COHERED TOGETHER BY MEANS OF A CURED THERMOSETTING RESIN AND A SECOND SHEET OF HEAT RESISTANT FIBROUS MATERIAL AND A CURED THERMOSETTING RESIN, SAID METAL SHEET BEING SANDWICHED BETWEEN SAID LAYER AND SECOND SHEET AND LAYER PROVIDING SAID SURFACE HAVING SAID MATRIX THEREON.

References Cited (Backward Citations)

US2013949A Cited
US3075260A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-12-16 1967-06-17 1967-12-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-12-16 1971-06-17 1971-12-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-12-16 1975-06-17 1975-12-17 $7700.00 Window Closed / Lapsed

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