Patent US3753910A successfully refreshed from Google Patents.
US3753910A
Expired / Lapsed
US
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Electrophotographic dry toner
Assignee: Konica Minolta Inc
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Filing: 1971-08-10
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Granted: 1973-08-21
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Expires: 1991-08-10
Abstract
Abstract AN ELECTROPHOTOGRAPHIC DRY TONER WHICH CONTAINS AS A RESIN COMPONENT A MIXTURE COMPRISING A SOLID EPOXY RESIN AS A MAIN COMPENENT AND 2.5 T 25% BY WEIGHT, BASED ON THE WEIGHT OF SAID EPOXY RESIN, OF A POLYVINYL ACETAL RESIN COMPATIBLE WITH SAID EPOXY RESIN. THE TONER IS PARTICULARLY APPLICABLE IN TRANSFER TYPE PRINTING.
Inventors
- 👤 Y Mitsuhashi
- 👤 M Kojima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:04
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08742; G03G9/08753; G03G9/08744
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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |