US3054692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel hectograph methods
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1959-11-13
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Granted: 1962-09-18
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
- 👤 Allan T Schlotzhauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:48
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/04; G; G03; G03G; G03G13/00; G03G13/26; G03G13/30; Y; Y10; Y10S; Y10S101/00; Y10S101/29; Y10S101/37; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN THE THERMOGRAPHIC PROCESS OF PRODUCING AN IMAGED HECTOGRAPH SPIRIT MASTER DIRECTLY FROM ORIGINAL INFRARED RADIATION-ABSORBING IMAGES AND A HECTOGRAPH TRANSFER SHEET WHEREBY THE MASTER, HECTOGRAPH TRANSFER SHEET AND THE ORIGINAL IMAGES ARE SUPERPOSED AND INFRARED RADIATIONS ARE PASSED THERETHROUGH, THE ORIGINAL IMAGES ABSORBING THE SAME AND CONVERTING THEM TO HEAT, THE IMPROVEMENT WHICH COMPRISES USING AS THE HECTOGRAPH TRANSFER SHEET ONE WHICH DOES NOT ABSORB INFRARED RADIATION TO ANY SUBSTANTIAL DEGREE AND WHICH CARRIES A PRESSURE-SENSITIVE TRANSFER LAYER WHICH IS BASED UPON A CELLULOSIC FILM-FORMING BINDER MATERIAL CONTAINING A NON-VOLATILE COMPONENT WHICH IS NON-MISCIBLE WITH SAID BINDER MATERIAL AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF OLEAGINOUS AND PASTY COMPOSITIONS, AND A QUANTITY OF SPIRIT-SOLUBLE IMAGING MATERIAL, AND THE TRANSFER LAYER SOFTENSD BUT IS NONFLUID AT TEMPERATURES BETWEEN ABOUT 150*F. AND 450*F., THE TEMPERATURE OF THE THERMOGRAPHIC PROCESS.
Claim 2
Dependent Claim
140 words
IN THE THERMOGRAPHIC PROCESS OF PRODUCING AN IMAGED HECTOGRAPH SPIRIT MASTER DIRECTLY FROM ORIGINAL INFRARED RADIATION-ABSORBING IMAGES AND A HECTOGRAPH TRANSFER SHEET WHEREBY THE MASTER, HECTOGRAPH TRANSFER SHEET AND THE ORIGINAL IMAGES ARE SUPERPOSED AND INFRARED RADIATIONS ARE PASSED THERETHROUGH, THE ORIGINAL IMAGES ABSORBING THE SAME AND CONVERTING THEM TO HEAT, THE IMPROVEMENT WHICH COMPRISES USING AS THE HECTOGRAPH TRANSFER SHEET ONE WHICH DOES NOT ABSORB INFRARED RADIATION TO ANY SUBSTANTIAL DEGREE AND WHICH CARRIES A PRESSURE-SENSITIVE TRANSFER LAYER WHICH IS BASED UPON A CELLULOSIC FILM-FORMING BINDER MATERIAL CONTAINING A NON-VOLATILE COMPONENT WHICH IS NON-MISCIBLE WITH SAID BINDER MATERIAL AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF OLEAGINOUS AND PASTY COMPOSITIONS, AND A QUANTITY OF SPIRIT-SOLUBLE IMAGING MATERIAL, AND THE TRANSFER LAYER SOFTENSD BUT IS NONFLUID AT TEMPERATURES BETWEEN ABOUT 150*F. AND 450*F., THE TEMPERATURE OF THE THERMOGRAPHIC PROCESS.
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |