Ribbon cassette for a typewriter or the like

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Description

FIG. 1 is a rear elevational view of a ribbon cassette for a typewriter or the like showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a perspective thereof.

Referenced Cited
U.S. Patent Documents
D231800 June 1974 Hess
D237010 September 1975 Gnutzman et al.
D245116 July 19, 1977 Trezise
3857565 December 1977 Kupferschmidt et al.
3935939 February 3, 1976 Schmidt et al.
4147439 April 3, 1979 Colecchi
4301957 November 24, 1981 Shorp
4406553 September 27, 1983 Nally et al.
4594011 June 10, 1986 Hayashi
Patent History
Patent number: D307437
Type: Grant
Filed: Apr 28, 1987
Date of Patent: Apr 24, 1990
Assignee: Hermes Precisa International SA
Inventor: Jorge Costa (Yverdon-les-Bains)
Primary Examiner: James R. Largen
Law Firm: Gifford, Groh, Sprinkle, Patmore and Anderson
Application Number: 7/43,687
Classifications
Current U.S. Class: Element Or Attachment (D18/12)