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US3011905A Expired / Lapsed US ⏱️ 0.0 years remaining

Manifold system comprising reactant donor and receptor sheets

Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1959-09-09
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Granted: 1961-12-05
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Expires: 1979-09-09
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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 2026-11-01 14:33
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; Y; Y10; Y10S; Y10S101/00; Y10S101/29

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 116 words
A MANIFOLDING SYSTEM COMPRISING SUPERIMPOSED SHEETS HAVING CONTACTING FACES, ONE OF SAID SHEETS HAVING THEREON A DONOR COATING COATED OVER A LAYER OF PRESSURETRANSFERABLE MATERIAL ON THE SHEET, SAID DONOR COATING INCLUDING A FIRST COLOR-FORMING INGREDIENT, THE OTHER OF SAID CONTACTING FACES HAVING A RECEPTOR COATING THEREON INCLUDING A SECOND COLOR-FORMING INGREDIENT, CAPABLE OF REACTING WITH SAID FIRST COLOR-FORMING INGREDIENT TO PRODUCE A LEGIBLE COLORED REACTION PRODUCT, DISPERSED IN A MOISTURE CONTAINING FILM, SAID DONOR SHEET BEING CAPABLE OF RELINQUISHING SAID FIRST COLOR-FORMING INGREDIENT AND SAID PRESSURE-TRANSFERABLE MATERIAL UPON APPLICATION OF PRESSURE TO THE UNCOATED SURFACE OF THE DONOR SHEET WHEREBY, UPON APPLICATION OF SUCH PRESSURE, AN AMOUNT OF SAID PRESSURE-TRANSFERABLE MATERIAL AND SAID FIRST COLOR-
Claim 2
Dependent Claim 116 words
A MANIFOLDING SYSTEM COMPRISING SUPERIMPOSED SHEETS HAVING CONTACTING FACES, ONE OF SAID SHEETS HAVING THEREON A DONOR COATING COATED OVER A LAYER OF PRESSURETRANSFERABLE MATERIAL ON THE SHEET, SAID DONOR COATING INCLUDING A FIRST COLOR-FORMING INGREDIENT, THE OTHER OF SAID CONTACTING FACES HAVING A RECEPTOR COATING THEREON INCLUDING A SECOND COLOR-FORMING INGREDIENT, CAPABLE OF REACTING WITH SAID FIRST COLOR-FORMING INGREDIENT TO PRODUCE A LEGIBLE COLORED REACTION PRODUCT, DISPERSED IN A MOISTURE CONTAINING FILM, SAID DONOR SHEET BEING CAPABLE OF RELINQUISHING SAID FIRST COLOR-FORMING INGREDIENT AND SAID PRESSURE-TRANSFERABLE MATERIAL UPON APPLICATION OF PRESSURE TO THE UNCOATED SURFACE OF THE DONOR SHEET WHEREBY, UPON APPLICATION OF SUCH PRESSURE, AN AMOUNT OF SAID PRESSURE-TRANSFERABLE MATERIAL AND SAID FIRST COLOR-

References Cited (Backward Citations)

US2168098A Cited
US2505471A Cited
US2663579A Cited
US2748024A Cited
US2755201A Cited
US2912344A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-04 1965-06-05 1965-12-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-04 1969-06-05 1969-12-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-04 1973-06-05 1973-12-05 $7700.00 Window Closed / Lapsed

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