Ribbon cartridge for lettering system

- Varitronic Systems, Inc.
Description

FIG. 1 is a perspective view of the ribbon cartridge for lettering system showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D287025 December 2, 1986 Link et al.
4402619 September 6, 1983 Pague et al.
4480936 November 6, 1984 Kasun et al.
Foreign Patent Documents
0162379 July 1986 JPX
Other references
  • IBM Technical Disclosure Bulletin, vol. 25, No. 4, Sep. 1982, cartridge in top pic.
Patent History
Patent number: D319838
Type: Grant
Filed: Aug 8, 1988
Date of Patent: Sep 10, 1991
Assignee: Varitronic Systems, Inc. (Minneapolis, MN)
Inventors: Michael P. Kassner (Circle Pines, MN), George F. Schwoboda (Minneapolis, MN)
Primary Examiner: B. J. Bullock
Assistant Examiner: Sandra Morris
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 7/229,855
Classifications
Current U.S. Class: D18/22