US3230874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy means
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1960-09-22
•
Granted: 1966-01-25
•
Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
- 👤 Vaccaro Angelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:05
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/04; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
THE METHOD FOR PRODUCING INFRARED RADIATION-ABSORBING IMAGES ON A COPY SHEET DIRECTLY FROM AN INFRARED RADIATION TRANSMITTING ORIGINAL SHEET HAVING IMAGES THEREON CONTAINING INFRARED RADIATION-ABSORBING MATERIAL WHICH COMPRISES SUPERPOSING SAID ORIGINAL SHEET WITH A COPY SHEET AND A TRANSFER SHEET BEARING A HEAT-TRANSFERABLE INFRARED RADIATION-ABSORBING LAYER CONTAINING A COLORANT, AND POSITIONING A HEAT-CONDUCTIVE INFRARED RADIATIONREFLECTING LAYER CONTAINING A DETERMINATE AMOUNT OF REFLECTING MATERIAL BETWEEN THE ORIGINAL SHEET AND THE TRANSFER LAYER OF THE TRANSFER SHEET, AND DIRECTING A SUFFICIENT QUANTITY OF INFRARED RADIATION ONTO THE ORIGINAL SHEET WHICH IS ABSORBED BY THE IMAGES THEREON AND CONVERTED TO HEAT WHICH IS CONDUCTED BY SAID REFLECTING LAYER TO THE HEAT-TRANSFERABLE LAYER OF THE TRANSFER SHEET TO CAUSE IT TO TRANSFER TO THE COPY SHEET IN AREAS CORRESPONDING TO THE LOCATION OF THE IMAGES OF THE ORIGINAL SHEET, THE RADIATION NOT ABSORBED BY THE IMAGES ON THE ORIGINAL BEING TRANSMITTED BY THE ORIGINAL SHEET TO THE REFLECTING LAYER AND BEING REFLECTED AND SUBSTANTIALLY PREVENTED FROM REACHING THE TRANSFER LAYER OF THE TRANSFER SHEET BY THE REFLECTING LAYER SO THAT SAID TRANSFER LAYER DOES NOT TRANSFER TO THE COPY SHEET IN AREAS BETWEEN SAID TRANSFERRED IMAGES.
Claim 2
Independent Claim
192 words
THE METHOD FOR PRODUCING INFRARED RADIATION-ABSORBING IMAGES ON A COPY SHEET DIRECTLY FROM AN INFRARED RADIATION TRANSMITTING ORIGINAL SHEET HAVING IMAGES THEREON CONTAINING INFRARED RADIATION-ABSORBING MATERIAL WHICH COMPRISES SUPERPOSING SAID ORIGINAL SHEET WITH A COPY SHEET AND A TRANSFER SHEET BEARING A HEAT-TRANSFERABLE INFRARED RADIATION-ABSORBING LAYER CONTAINING A COLORANT, AND POSITIONING A HEAT-CONDUCTIVE INFRARED RADIATIONREFLECTING LAYER CONTAINING A DETERMINATE AMOUNT OF REFLECTING MATERIAL BETWEEN THE ORIGINAL SHEET AND THE TRANSFER LAYER OF THE TRANSFER SHEET, AND DIRECTING A SUFFICIENT QUANTITY OF INFRARED RADIATION ONTO THE ORIGINAL SHEET WHICH IS ABSORBED BY THE IMAGES THEREON AND CONVERTED TO HEAT WHICH IS CONDUCTED BY SAID REFLECTING LAYER TO THE HEAT-TRANSFERABLE LAYER OF THE TRANSFER SHEET TO CAUSE IT TO TRANSFER TO THE COPY SHEET IN AREAS CORRESPONDING TO THE LOCATION OF THE IMAGES OF THE ORIGINAL SHEET, THE RADIATION NOT ABSORBED BY THE IMAGES ON THE ORIGINAL BEING TRANSMITTED BY THE ORIGINAL SHEET TO THE REFLECTING LAYER AND BEING REFLECTED AND SUBSTANTIALLY PREVENTED FROM REACHING THE TRANSFER LAYER OF THE TRANSFER SHEET BY THE REFLECTING LAYER SO THAT SAID TRANSFER LAYER DOES NOT TRANSFER TO THE COPY SHEET IN AREAS BETWEEN SAID TRANSFERRED IMAGES.
References Cited (Backward Citations)
US2351073A
Cited
US2118888A
Cited
US2671734A
Cited
US2769391A
Cited
US2808777A
Cited
GB844696A
Cited
US2976415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |