Ink ribbon cassette for electronic typewriter

- Canon
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Description

FIG. 1 is a front elevational view of an ink ribbon cassette for electronic typewriter 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 right, front and top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D280736 September 24, 1985 Schuiling
D281255 November 5, 1985 Nibley et al.
D281330 November 12, 1985 Kando
D281331 November 12, 1985 Nibley et al.
D281332 November 12, 1985 Nibley et al.
D285808 September 23, 1986 Fuziwara et al.
D290715 July 7, 1987 Omino et al.
D302437 July 25, 1989 Altmann et al.
D302829 August 15, 1989 Nezu et al.
D303795 October 3, 1989 Brown
D304597 November 14, 1989 Sakurai
4600325 July 15, 1986 Okamoto et al.
4611937 September 16, 1986 Sato et al.
4793723 December 27, 1988 Furhata
Patent History
Patent number: D320224
Type: Grant
Filed: Mar 8, 1988
Date of Patent: Sep 24, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Fumiya Matsuoka (Kawasaki), Toshiyuki Ohnishi (Yokohama)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/165,573
Classifications
Current U.S. Class: Element Or Attachment (D18/12)