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US3432328A Expired / Lapsed US ⏱️ 0.0 years remaining

Raised printing

Assignee: Fox River Paper Corp
•
Filing: 1965-06-07
•
Granted: 1969-03-11
•
Expires: 1985-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Frans V E Vaurio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:37
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; B41M7/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24934; Y10T428/249921; Y10T428/249953

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 181 words
A METHOD FOR PRINTING HARD, NON-RESILIENT RAISED INTELLIGIBLE AND CURED THERMOSET CHARACTERS ONTO THE SURFACE OF PAPER WHICH INCLUDES, PREPARING A RESIN MIXTURE WHICH WILL BE DISTINCTIVELY CONTRASTED ON SAID PAPER, SAID RESIN PREPARATION CONSISTING ESSENTIALLY OF A SUBSTANTIALLY UNIFORM MIXTURE OF A THERMOSETTING RESIN, A CURING AGENT FOR SAID RESIN, A THIXOTROPIC FILLER, AND AN ADDED BLOWING AGENT IN AN AMOUNT WHICH WILL RAISE THE PRINTED CHARACTER ON THE SURFACE OF THE PAPER, PLACING A STENCIL IN CONTACT WITH A SURFACE OF A SHEET OF PAPER, FORCING THE RESSIN MIXTURE THROUGH CUTOUTS IN THE STENCIL PLACED ON THE SURFACE OF SAID PAPER, SAID CUTOUTS CONFORMING TO THE DESIRED CONFIGURATION WHICH THE RAISED AND INTELLIGIBLE CHARACTERS WILL ASSUME ON THE SURFACE OF THE PAPER, THE HEIGHT OF THE RAISED IMPRESSION WHICH WILL BE PLACED UPON THE PAPER BEING AT LEAST AS HIGH AS THE THICKNESS OF THE STENCIL, REMOVING THE STENCIL, AND CURING THE RESIN ON THE SURFACE OF SAID PAPER UNDER CONDITIONS TO ACTIVATE SAID BLOWING AGENT TO FORM HARD, RAISED THERMOSET CHARACTERSS WHICH ARE SECURELY BONDED TO THE PAPER.

References Cited (Backward Citations)

US1951947A Cited
US2267787A Cited
US2278771A Cited
US2276181A Cited
US2506486A Cited
US2579044A Cited
US3097096A Cited
US2920977A Cited
US2979246A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-03-10 1972-09-09 1973-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-03-10 1976-09-09 1977-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-03-10 1980-09-09 1981-03-11 $7700.00 Window Closed / Lapsed

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