Ink ribbon cassette for typewriter

- Canon
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Description

FIG. 1 is a front elevational view of an ink ribbon cassette for typewriter showing my 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 side elevational view as seen from the left of FIG. 1;

FIG. 6 is a side elevational view as seen from the right of FIG. 1 and

FIG. 7 is a perspective view of the ink ribbon cassette for typewriter.

Referenced Cited
U.S. Patent Documents
D230991 March 1974 Catto et al.
D263222 March 2, 1982 Driscoll
D265566 July 27, 1982 Christie et al.
4175877 November 27, 1979 Randolph
Patent History
Patent number: D281331
Type: Grant
Filed: Dec 8, 1983
Date of Patent: Nov 12, 1985
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Richard Nibley (Tokyo), Masasumi Nagashima (Yokosuka)
Primary Examiner: Louis S. Zarfas
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 6/559,452
Classifications
Current U.S. Class: Element Or Attachment (D18/12); D14/11