Computer program cartridge

- Sinclair Research Limited
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Description

FIG. 1 is a top plan view of a computer program cartridge showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a side elevational view thereof, the opposite side being a mirror image.

Referenced Cited
U.S. Patent Documents
D248470 July 11, 1978 Talesfore
D257345 October 14, 1980 Levy
D260515 September 1, 1981 Welch et al.
4062049 December 6, 1977 Dirks
4177426 December 4, 1979 Gaishin et al.
Patent History
Patent number: D285307
Type: Grant
Filed: Mar 26, 1984
Date of Patent: Aug 26, 1986
Assignee: Sinclair Research Limited (Cambridge)
Inventor: Roger W. Clarke (Ottery St. Mary)
Primary Examiner: Susan J. Lucas
Law Firm: Watson, Cole, Grindle & Watson
Application Number: 6/593,514
Classifications
Current U.S. Class: D14/114; D14/11