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The ornamental design for an ink ribbon cassette, as shown and described. |
FIG. 1 is a front elevational view of an ink ribbon cassette showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and
FIG. 7 is a perspective view taken from the top, front and right side thereof.
Patent | Priority | Assignee | Title |
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D318870, | Sep 09 1987 | Canon Kabushiki Kaisha | Ink ribbon cassette for electronic typewriter |
D320224, | Sep 09 1987 | Canon Kabushiki Kaisha | Ink ribbon cassette for electronic typewriter |
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Patent | Priority | Assignee | Title |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 04 1987 | NEZU, SHIGERU | Canon Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 004775 | /0485 | |
Aug 04 1987 | ASAKURA, OSAMU | Canon Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 004775 | /0485 | |
Aug 24 1987 | Canon Kabushiki Kaisha | (assignment on the face of the patent) | / |
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