US3360367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying of graphic images
Assignee: 3M Co
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Filing: 1966-03-15
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Granted: 1967-12-26
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Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Stricklin Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:30
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38207; B41M5/025; B41M5/035
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
123 words
A MASTER SHEET INCLUDING A THIN DENSE PAPER-LIKE CARRIER SHEET HAVING OVER ONE SURFACE A THIN UNIFORM TRANSFER COAT COMPRISING FROM ABOUT ONE-TENTH TO ABOUT ONE AND ONE-HALF GRAMS/SP. FT. OF HARD NON-TACKY FUSIBLE SOLID MATERIAL MELTING WITHIN THE RAGE OF APPROXIMATELY 70 TO 170*C. AND VAPORIZABLE AT 150*C. WITH FORMATION OF A FLUID METASTABLE LIQUID CONDENSATE WHICH REMAINS IN LIQUID FORM FOR AT LEAST ABOUT ONE-HALF MINUTE ON COOLING TO ROOM TEMPERATURE, AND OVER THE OTHER SURFACE A LAYER COMPRISING A FIRST REACTANT FOR INTER-REACTION WITH A SECOND REACTANT WHEN LOCALLY APPLIED TO SAID OTHER SURFACE AND INTER-REACTIVE THEREWITH ON BRIEFLY HEATING THE THUS TREATED SHEET TO ABOUT 150*C. TO FORM A CORRESPONDING INTRA-RED-ABSORPTIVE AND VISIBLY DISTINCT IMAGE ON SAID OTHER SURFACE.
Claim 2
Dependent Claim
123 words
A MASTER SHEET INCLUDING A THIN DENSE PAPER-LIKE CARRIER SHEET HAVING OVER ONE SURFACE A THIN UNIFORM TRANSFER COAT COMPRISING FROM ABOUT ONE-TENTH TO ABOUT ONE AND ONE-HALF GRAMS/SP. FT. OF HARD NON-TACKY FUSIBLE SOLID MATERIAL MELTING WITHIN THE RAGE OF APPROXIMATELY 70 TO 170*C. AND VAPORIZABLE AT 150*C. WITH FORMATION OF A FLUID METASTABLE LIQUID CONDENSATE WHICH REMAINS IN LIQUID FORM FOR AT LEAST ABOUT ONE-HALF MINUTE ON COOLING TO ROOM TEMPERATURE, AND OVER THE OTHER SURFACE A LAYER COMPRISING A FIRST REACTANT FOR INTER-REACTION WITH A SECOND REACTANT WHEN LOCALLY APPLIED TO SAID OTHER SURFACE AND INTER-REACTIVE THEREWITH ON BRIEFLY HEATING THE THUS TREATED SHEET TO ABOUT 150*C. TO FORM A CORRESPONDING INTRA-RED-ABSORPTIVE AND VISIBLY DISTINCT IMAGE ON SAID OTHER SURFACE.
Claim 3
Dependent Claim
106 words
A MASTER SHEET INCLUDING A THIN DENSE PAPER-LIKE CARRIER SHEET HAVING OVER ONE SURFACE A THIN UNIFORM TRANSFER COAT COMPRISING FROM ABOUT ONE-HALF TO ABOUT ONE AND ONE-HALF GRAMS/SP. FT. OF HARD NON-TACKY FUSIBLE SOLID MATERIAL MELTING WITHIN THE RANGE OF APPROXIMATELY 70 TO 170*C. AND VAPORIZABLE AT 150*C. WITH FORMATION OF A FLUID METASTABLE LIQUID CONDENSATE WHICH REMAINS IN LIQUID FORM FOR AT LEAST ABOUT ONE-HALF MINUTE ON COOLING TO ROOM TEMPERATURE, AND, UNOFRMLY BLENDED THEREWITH AND IN MINOR PROPORTION THERETO, AN INERT POWDER AND A POLYMERIC BINDER; AND SAID CARRIER SHEET HAVING OVER ITS OTHER SURFACE A PHOTOCONDUCTIVE LAYER SUITABLE FOR RECORDING A LIGHT-IMAGE.
Claim 4
Dependent Claim
106 words
A MASTER SHEET INCLUDING A THIN DENSE PAPER-LIKE CARRIER SHEET HAVING OVER ONE SURFACE A THIN UNIFORM TRANSFER COAT COMPRISING FROM ABOUT ONE-HALF TO ABOUT ONE AND ONE-HALF GRAMS/SP. FT. OF HARD NON-TACKY FUSIBLE SOLID MATERIAL MELTING WITHIN THE RANGE OF APPROXIMATELY 70 TO 170*C. AND VAPORIZABLE AT 150*C. WITH FORMATION OF A FLUID METASTABLE LIQUID CONDENSATE WHICH REMAINS IN LIQUID FORM FOR AT LEAST ABOUT ONE-HALF MINUTE ON COOLING TO ROOM TEMPERATURE, AND, UNOFRMLY BLENDED THEREWITH AND IN MINOR PROPORTION THERETO, AN INERT POWDER AND A POLYMERIC BINDER; AND SAID CARRIER SHEET HAVING OVER ITS OTHER SURFACE A PHOTOCONDUCTIVE LAYER SUITABLE FOR RECORDING A LIGHT-IMAGE.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |