Color disc for an analytical instrument

- Palintest Ltd.
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Description

FIG. 1 is a perspective view of a color disc for an analytical instrument showing my new design; and,

FIG. 2 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D218503 August 1970 Perkinson
4112594 September 12, 1978 Impastato
4244916 January 13, 1981 Guigan
4357301 November 2, 1982 Cassaday et al.
4580896 April 8, 1986 Brickus et al.
4785184 November 15, 1988 Bicn et al.
4981361 January 1, 1991 Kobayashi et al.
4989983 February 5, 1991 Terada et al.
Patent History
Patent number: D329024
Type: Grant
Filed: May 8, 1990
Date of Patent: Sep 1, 1992
Assignee: Palintest Ltd. (Tyne & Wear)
Inventor: Colin E. Marks (Ryton)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Rodman & Rodman
Application Number: 7/520,605