US3177086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive hectograph transfer element
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1961-12-15
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Granted: 1965-04-06
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
- 👤 Allan T Schlotzhauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:35
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/04; G; G03; G03G; G03G13/00; G03G13/26; G03G13/30; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31851
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PRESSURE-SENSITIVE HECTOGRAPH TRASFER ELEMENT COMPRISING AS FLEXIBLE FOUNDATION CARRYING A VOLATILE-SOLVENT-APPLIED FRANGIBLE TRANSFER LAYER WHICH IS SUBSTANTIALLY COMPLETELY TRANSFERABLE TO A MASTER SHEET IN AREAS IMPRESSED WITH IMAGING PRESSURE, SAID TRANSFER LAYER COMPRISING FROM 3% TO 25% BY WEIGHT OF A SYNTHETIC THERMOPLASTIC FILM-FORMING BINDER MATERIAL, AN AMOUNT OF A MISCIBLE MIXTURE OF AT LEAST TWO OLEAGINOUS MODIFYING AGENTS IN EXCESS OF THE AMOUNT OF SAID BINDER MATERIAL, SAID MISICIBLE MIXTURE INCLUDING FROM 20% TO 80% BY WEIGHT OF AT LEAST ONE OLEAGINOUS MATERIAL WHICH IS SUBSTANTIALLY COMPATIBLE WITH SAID BINDER MATERIAL AND FROM 80% TO 20% BY WEIGHT OF AT LEAST ONE OLEAGINOUS MATERIAL WHICH IS SUBSTANTIALLY NON-COMPATIBLE WITH SAID BINDER MATERIAL, AND FROM 35% TO 65% BY WEIGHT OF A SPIRIT-SOLUBLE HECTOGRAPH DYESTUFF, SAID DYESUFF BEING SUBSTANTIALLY INSOLUBLE IN SAID OLEAGINOUS MATERIALS AND INSOLUBLE IN THE VOLATILE SOLVENT USED TO APPLY SAID TRANSFER LAYER.
Claim 2
Dependent Claim
147 words
A PRESSURE-SENSITIVE HECTOGRAPH TRASFER ELEMENT COMPRISING AS FLEXIBLE FOUNDATION CARRYING A VOLATILE-SOLVENT-APPLIED FRANGIBLE TRANSFER LAYER WHICH IS SUBSTANTIALLY COMPLETELY TRANSFERABLE TO A MASTER SHEET IN AREAS IMPRESSED WITH IMAGING PRESSURE, SAID TRANSFER LAYER COMPRISING FROM 3% TO 25% BY WEIGHT OF A SYNTHETIC THERMOPLASTIC FILM-FORMING BINDER MATERIAL, AN AMOUNT OF A MISCIBLE MIXTURE OF AT LEAST TWO OLEAGINOUS MODIFYING AGENTS IN EXCESS OF THE AMOUNT OF SAID BINDER MATERIAL, SAID MISICIBLE MIXTURE INCLUDING FROM 20% TO 80% BY WEIGHT OF AT LEAST ONE OLEAGINOUS MATERIAL WHICH IS SUBSTANTIALLY COMPATIBLE WITH SAID BINDER MATERIAL AND FROM 80% TO 20% BY WEIGHT OF AT LEAST ONE OLEAGINOUS MATERIAL WHICH IS SUBSTANTIALLY NON-COMPATIBLE WITH SAID BINDER MATERIAL, AND FROM 35% TO 65% BY WEIGHT OF A SPIRIT-SOLUBLE HECTOGRAPH DYESTUFF, SAID DYESUFF BEING SUBSTANTIALLY INSOLUBLE IN SAID OLEAGINOUS MATERIALS AND INSOLUBLE IN THE VOLATILE SOLVENT USED TO APPLY SAID TRANSFER LAYER.
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |