Patent US3240932A successfully refreshed from Google Patents.
US3240932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible printing method
Assignee: International Business Machines Corp
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Filing: 1962-10-31
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Granted: 1966-03-15
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert S Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:00
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/36; B41M5/363; B41M5/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A REVERSIBLE PRINTING METHOD, COMPRISING: APPLYING GRAPHIC REPRESENTATIONS BY FORMING TRANSPARENT AND TRANSLUCENT STRESS MICRO-CRYSTALLIZED AREAS IN A SUBSTRATE SUPPORTED COATING; SAID COATING COMPRISING A CONTINOUS PHASE OF A HIGH SOFTENING POLYMER, AND A LOW SOFTENIN RESINOUS MATERIAL DISPERSED WITHIN AID CONTINUOUS PHASE FROM THE GROUP CONSISTING OF ORTHO AND META BIPHENYL BENZENE, ROSIN, ABIETIC ACID, POLYMERIZED ABIETIC ACID, HYDROGENATED ABIETIC ACID, HYDROGENATED ROSIN, POLYMERIZED ROSIN, THE PENTAERYTHRITO ESTER OF ROSIN, AND THE PENTAERYTHRITOL ESTER OF ABIETIC ACID; SAID LOW SOFTENING MATERIAL BEING COMPATIBLE WITH SAID HIGH SOFTENING POLYMER TO THE EXTENT THAT THE UNSTRESSED COATING IS SUBSTANTIALLY TANPARENT; AND SAID HIGH SOFTENING POLYMER HAVING A SOFTENING TEMPERATURE AT LEAST 10*C. HIGHER THAN SAID LOW SOFTENING MATERIAL; AND REMOVING SAID RAPHIC REPRESENTATIONS BY HEATING SAID COATING TO ITS TRANSPARENT CONDITION.
Claim 2
Dependent Claim
130 words
A REVERSIBLE PRINTING METHOD, COMPRISING: APPLYING GRAPHIC REPRESENTATIONS BY FORMING TRANSPARENT AND TRANSLUCENT STRESS MICRO-CRYSTALLIZED AREAS IN A SUBSTRATE SUPPORTED COATING; SAID COATING COMPRISING A CONTINOUS PHASE OF A HIGH SOFTENING POLYMER, AND A LOW SOFTENIN RESINOUS MATERIAL DISPERSED WITHIN AID CONTINUOUS PHASE FROM THE GROUP CONSISTING OF ORTHO AND META BIPHENYL BENZENE, ROSIN, ABIETIC ACID, POLYMERIZED ABIETIC ACID, HYDROGENATED ABIETIC ACID, HYDROGENATED ROSIN, POLYMERIZED ROSIN, THE PENTAERYTHRITO ESTER OF ROSIN, AND THE PENTAERYTHRITOL ESTER OF ABIETIC ACID; SAID LOW SOFTENING MATERIAL BEING COMPATIBLE WITH SAID HIGH SOFTENING POLYMER TO THE EXTENT THAT THE UNSTRESSED COATING IS SUBSTANTIALLY TANPARENT; AND SAID HIGH SOFTENING POLYMER HAVING A SOFTENING TEMPERATURE AT LEAST 10*C. HIGHER THAN SAID LOW SOFTENING MATERIAL; AND REMOVING SAID RAPHIC REPRESENTATIONS BY HEATING SAID COATING TO ITS TRANSPARENT CONDITION.
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |