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US3302565A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermographic methods and products

Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1963-09-19
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Granted: 1967-02-07
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Expires: 1983-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Douglas A Newman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:54
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38207; Y; Y10; Y10S; Y10S430/00; Y10S430/165

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 161 words
THE METHOD OF FORMING ON A PLANOGRAPHIC PRINTING PLATE OLEOPHILIC IMAGES WHICH CORRESPOND EXACTLY TO IMAGES ON AN ORIGINAL SHEET, WHICH COMPRISES THE STEPS OF: (A) SUPERPOSING AN ORIGINAL SHEET HAVING THEREON INFRARED RADIATION-ABSORBING ORIGINAL IMAGES, A TRANSFER SHEET COMPRISING A TRANSLUCENT FOUNDATION CARRYING A LAYER OF HEAT-TRANSFERABLE OLEOPHILIC IMAGING COMPOSITION WHICH DOES NOT ABSORB INFRARED RADIATION, AND A THIN TRANSLUCENT PAPER DONOR SHEET HAVING A SMOOTH TREATED SURFACE HAVING GOOD RECEPTIVITY FOR SAID HEAT-TRANSFERABLE IMAGING COMPOSITION AND HAVING THE ABILITY TO RELEASE SAID IMAGING COMPOSITION TO THE SURFACE OF A PLANOGRAPHIC PLATE UNDER THE EFFECTS OF HEAT, THE TREATED SURFACE OF SAID DONOR SHEET BEING IN SURFACE CONTACT WITH SAID IMAGING COMPOSITION; (B) APPLYING INFRARED RADIATION TO SAID ORIGINAL IMAGES THROUGH SAID DONOR AND TRANSFER SHEETS FOR A PERIOD OF TIME SUFFICIENT TO SELECTIVELY HEAT SAID ORIGINAL IMAGES AND CAUSE CORRESPONDING AREAS OF THE LAYER OF IMAGING COMPOSITION TO SOFTEN AND ADHERE TO THE TREATED SURFACE OF THE DONOR SHEET;

References Cited (Backward Citations)

US3007829A Cited
US3151549A Cited
US3089953A Cited
US3122998A Cited
US3148617A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-06 1970-08-08 1971-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-06 1974-08-08 1975-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-06 1978-08-08 1979-02-07 $7700.00 Window Closed / Lapsed

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