US3037879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Re-usable ink-releasing elements and process of making
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
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Filing: 1959-09-24
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Granted: 1962-06-05
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
- 👤 Allan T Schlotzhauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:27
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249994; Y10T428/249995; Y10T428/249996; Y10T428/26; Y10T428/266; Y10T428/27; Y10T428/273; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
PROCESS OF PREPARING NON-STENCILING, RE-USABLE PRESSURE-SENSITIVE INK-RELEASING ELEMENTS WHICH COMPRISES COATING A FLEXIBLE FOUNDATION WITH AN OVERLAYER OF A CONTINUOUS PLASTIC FILM AS AN ADHESIVE MIDDLE LAYER TO FORM THE WORKING SURFACE OF SAID FOUNDATION, AND OVERCOATING SAID MIDDLE LAYER WITH A TOP LAYER OF RESINOUS COMPOSITION COMPRISING A RESIN, A NON-VOLATILE COMPONENT WHICH IS A NON-SOLVENT FOR THE RESIN, A VOLATILE COMPONENT WHICH IS A SOLVENT FOR SAID RESIN AND AT LEAST A PARTIAL SOLVENT FOR THE PLASTIC OF SAID MIDDLE LAYER, AND A QUANTITY OF IMAGING MATERIAL, AND ALLOWING SAID VOLATILE COMPONENT TO EVAPORATE WHEREBY IS FORMED A POROUS, SPONGY, INKRELEASING ELEMENT, SAID TOP LAYER BEING FORMLY BONDED TO THE WORKING SURFACE OF SAID FOUNDATION DUE TO A PARTIAL DISSOLVING THEREOF BY THE VOLATILE SOLVENT PRIOR TO EVAPORATION.
Claim 2
Dependent Claim
130 words
PROCESS OF PREPARING NON-STENCILING, RE-USABLE PRESSURE-SENSITIVE INK-RELEASING ELEMENTS WHICH COMPRISES COATING A FLEXIBLE FOUNDATION WITH AN OVERLAYER OF A CONTINUOUS PLASTIC FILM AS AN ADHESIVE MIDDLE LAYER TO FORM THE WORKING SURFACE OF SAID FOUNDATION, AND OVERCOATING SAID MIDDLE LAYER WITH A TOP LAYER OF RESINOUS COMPOSITION COMPRISING A RESIN, A NON-VOLATILE COMPONENT WHICH IS A NON-SOLVENT FOR THE RESIN, A VOLATILE COMPONENT WHICH IS A SOLVENT FOR SAID RESIN AND AT LEAST A PARTIAL SOLVENT FOR THE PLASTIC OF SAID MIDDLE LAYER, AND A QUANTITY OF IMAGING MATERIAL, AND ALLOWING SAID VOLATILE COMPONENT TO EVAPORATE WHEREBY IS FORMED A POROUS, SPONGY, INKRELEASING ELEMENT, SAID TOP LAYER BEING FORMLY BONDED TO THE WORKING SURFACE OF SAID FOUNDATION DUE TO A PARTIAL DISSOLVING THEREOF BY THE VOLATILE SOLVENT PRIOR TO EVAPORATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |