Patent US3595683A successfully refreshed from Google Patents.
US3595683A
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US
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Pressure sensitive transfer sheet and method of producing
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
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Filing: 1968-09-12
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Granted: 1971-07-27
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Expires: 1988-09-12
Abstract
Abstract PROCESS FOR PRODUCING NOVEL TRANSFER SHEETS HAVING A FLEXIBLE FOUNDATION CARRYING A PRESSURE-TRANSFERABLE POROUS INK LAYER COMPRISING A RESINOUS BINDER MATERIAL HAVING DISPERSED THEREIN A LARGE AMOUNT OF A POROUS FILLER AND AN INCOMPATIBLE LIQUID INK. THE FOUNDATION HAS A SMOOTH PLASTIC RELEASE SURFACE AND THE POROUS INK LAYER HAS THEREON A FRANGIBLE SUPERCOATING WHEREBY THE POROUS INK LAYER IS RENDERED TRANSFERABLE UNDER THE EFFECTS OF IMPACT PRESSURE TO FORM SQUEEZE-OUT TYPE DUPLICATING IMAGES ON A MASTER SHEET.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:33
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/035; B41M5/03; B41M5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249971; Y10T428/249974; Y10T428/249982; Y10T428/249983; Y10T428/249987; Y10T428/249991; Y10T428/249994; Y10T428/249995; Y10T428/249996; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31801; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 0
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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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |