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The ornamental design for printing ribbon cassette, as shown. |
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FIG. 1 is a front right perspective view of a printing ribbon cassette showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a top plan view;
FIG. 4 is a right side elevational view;
FIG. 5 is a left side elevational view;
FIG. 6 is a bottom plan view;
FIG. 7 is a rear elevational view; and
FIG. 8 is a rear left perspective view.
| Patent | Priority | Assignee | Title |
| D302827, | Oct 20 1986 | Kabushiki Kaisha Toshiba | Ink ribbon cartridge |
| D302828, | Feb 09 1987 | Canon Kabushiki Kaisha | Ink ribbon cassette for electronic typewriter |
| D304955, | Jul 01 1986 | SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH | Cartridge for ink ribbon |
| D391287, | Apr 25 1996 | Brother Kogyo Kabushiki Kaisha | Ink ribbon cartridge |
| Patent | Priority | Assignee | Title |
| 4010839, | Nov 25 1974 | Ing. C. Olivetti & C., S.p.A. | Cartridge for a ribbon of a typewriter or like office machines |
| D250613, | Mar 14 1977 | Xerox Corporation | Ribbon cartridge with ribbon |
| D281330, | Jun 01 1983 | Canon Kabushiki Kaisha | Ink ribbon cartridge for electronic typewriter |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 01 1984 | YAMAMOTO, TOSHIO | RICOH COMPANY, LTD , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004368 | /0321 | |
| Oct 02 1984 | Ricoh Company, Ltd. | (assignment on the face of the patent) | / |
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