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The ornamental design for a printing ribbon cassette, as shown and described. |
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FIG. 1 is a front, top and right side perspective view of a printing ribbon cassette, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear view thereof; and
FIG. 7 is a bottom view thereof.
| Patent | Priority | Assignee | Title |
| D302438, | Nov 28 1985 | Canon Kabushiki Kaisha | 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 |
| D332796, | Jul 09 1990 | Ing. C. Olivetti & C., S.p.A. | Typing ribbon cartridge |
| Patent | Priority | Assignee | Title |
| 4034935, | Nov 19 1975 | Xerox Corporation | Dual level ribbon cartridge |
| D245116, | Aug 25 1975 | Xerox Corporation | Ribbon cartridge |
| D261277, | Jul 13 1979 | Ricoh Company Ltd. | Printer ribbon cassette |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 16 1982 | Ricoh Company, Ltd. | (assignment on the face of the patent) | / | |||
| Oct 12 1982 | HASHIMOTO, MASANORI | RICOH COMPANY LTD , 3-6, 1-CHOME, NAKA-MAGOME, OHTA-KU, TOKYO 143 JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004261 | /0901 |
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