US3088028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplication with heat-meltable solvent for hectographic coloring material
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1960-06-17
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Granted: 1963-04-30
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:31
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38207; B41M5/025; B41M5/035; B41M5/38235; Y; Y10; Y10S; Y10S101/00; Y10S101/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE PROCESS OF PREPARING DUPLICATE COPIES OF IMAGED SUBJECT MATTER CONTAINING INFRARED RADIATION-ABSORBING MATERIAL WHICH COMPRISES SUPERPOSING SAID IMAGED SUBJECT MATTER TOGETHER WITH A TRANSFER SHEET HAVING A LAYER COMPRISING COLOR-FORMING MATERIAL AND A COPY SHEET HAVING A NORMALLY SOLID COATING THEREON COMPRISING HEAT-MELTABLE MATERIAL WHICH, IN ITS MELTED FORM, IS A SOLVENT FOR THE COLOR-FORMING MATERIAL OF THE TRANSFER SHEET, AND SUBJECTING THE SUPERPOSED SHEETS TO INFRARED RADIATION FOR A PERIOD OF TIME SUFFICIENT TO CAUSE THE SOLID COATING OF THE COPY SHEET TO MELT IN AREAS CORRESPONDING TO SAID IMAGED SUBJECT MATTER AND THEREBY DISSOLVE AND ABSORB COLORFORMING MATERIAL FROM THE LAYER OF THE TRANSFER SHEET TO PRODUCE A DUPLICATE COPY OF SAID IMAGED SUBJECT MATTER.
Claim 2
Dependent Claim
118 words
THE PROCESS OF PREPARING DUPLICATE COPIES OF IMAGED SUBJECT MATTER CONTAINING INFRARED RADIATION-ABSORBING MATERIAL WHICH COMPRISES SUPERPOSING SAID IMAGED SUBJECT MATTER TOGETHER WITH A TRANSFER SHEET HAVING A LAYER COMPRISING COLOR-FORMING MATERIAL AND A COPY SHEET HAVING A NORMALLY SOLID COATING THEREON COMPRISING HEAT-MELTABLE MATERIAL WHICH, IN ITS MELTED FORM, IS A SOLVENT FOR THE COLOR-FORMING MATERIAL OF THE TRANSFER SHEET, AND SUBJECTING THE SUPERPOSED SHEETS TO INFRARED RADIATION FOR A PERIOD OF TIME SUFFICIENT TO CAUSE THE SOLID COATING OF THE COPY SHEET TO MELT IN AREAS CORRESPONDING TO SAID IMAGED SUBJECT MATTER AND THEREBY DISSOLVE AND ABSORB COLORFORMING MATERIAL FROM THE LAYER OF THE TRANSFER SHEET TO PRODUCE A DUPLICATE COPY OF SAID IMAGED SUBJECT MATTER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |