Patent US3775326A successfully refreshed from Google Patents.
US3775326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fixable electroscopic printing powder
Assignee: AB Dick Co
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Filing: 1972-04-17
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Granted: 1973-11-27
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Expires: 1992-04-17
Abstract
Abstract A PRESSURE FIXABLE TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, THAT CAN BE FIXED ON A RECEIVING MEMBER BY PRESSURE, FORMULATED WITH A POLYAMIDE RESIN IN THE RANGE OF 25% TO 35%, A FRANGIBLE RESIN 40% TO 50%, AND A POLYOLEFENE SUCH AS OLYMETHYLENE OR POLYETHYLENE IN THE RANGE OF 2.0% TO 15% AND THE REMAINDER CONSISTING OF COLOR AGENTS, AND SUCH OPTIONAL INGREDIENTS AS A METAL SOAP OR A POLYHYDRIC ALCOHOL, THE CRITICAL COMPONENTS BEING THE POLYAMIDE RESIN AND THE POLYOLEFIN RESIN.
Inventors
- 👤 V Westdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:09
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08742; G03G9/08746; G03G9/08748; G03G9/08702; G03G9/08704; G03G9/08706; G03G9/08755; G03G9/08762; G03G9/08766
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |