Microbiological test strip

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Description

FIG. 1 is a side elevation of a microbiological test strip showing my design;

FIG. 2 is a top plan view of the test strip of FIG. 1;

FIG. 3 is an end elevation; and

FIG. 4 is a bottom plan view.

Referenced Cited
U.S. Patent Documents
D207487 April 1967 Briggs et al.
D239042 March 1976 Freake et al.
3511608 May 1970 Anderson
3785930 January 1974 Ellis
3843452 October 1974 Freake et al.
3979264 September 7, 1976 Buerger
Patent History
Patent number: D246535
Type: Grant
Filed: Oct 18, 1976
Date of Patent: Nov 29, 1977
Assignee: Scientific Hospital Supplies Limited (Liverpool)
Inventor: Michael William Dixon (Norley)
Primary Examiner: Bernard Ansher
Attorney: Fred C. Philpitt
Application Number: 5/733,830
Classifications
Current U.S. Class: D24/8
International Classification: D2402; D2499;