Cartridge for a typewriter

- IBM
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Description

FIG. 1 is a top plan view of a cartridge for a typewriter showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view of a cartridge for a typewriter showing a modified form of our new design;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view of the cartridge in FIG. 1;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a right end elevational view thereof; and

FIG. 8 is a left end elevational view thereof;

FIG. 9 is a rear elevational view of the cartridge in FIG. 3;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a right end elevational view thereof; and

FIG. 12 is a left end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D245116 July 19, 1977 Trezise
D247033 January 24, 1978 Muramatsu et al.
3008661 November 1961 Estes et al.
3354776 November 1967 Smitzer et al.
4013160 March 22, 1977 Colecchi
Patent History
Patent number: D253312
Type: Grant
Filed: Oct 10, 1978
Date of Patent: Oct 30, 1979
Assignee: International Business Machines Corporation (Armonk, NY)
Inventors: Edwin J. Lenney (Lexington, KY), John O. Schaefer (Lexington, KY)
Primary Examiner: Louis S. Zarfas
Attorney: William J. Dick
Application Number: 5/950,092
Classifications
Current U.S. Class: Element Or Attachment (D18/12)
International Classification: D1801;