USD240052S - - Google Patents

Description

United States Patent Des. 240,052 Patented May 25, 1976 FLUID-CONTAINING CASSETTE FOR DETERMIN- ING BIOLOGICAL ACTIVITY John M. Varga, Bayville, N.Y., assignor to Akro-Medic Engineering, Inc., Denville, NJ.

Filed Feb. 6, 1975, Ser. No. 547,456

Term of patent 14 years Int. Cl. D24-02 US. Cl. D322 C FIG. 1 is a perspective view of a fluid-containing cassette for determining biological activity showing my new design;

FIG. 2 is an end elevation as seen from the left of FIG. 1;

FIG. 3 is a rear elevation thereof; and

FIG. 4 is a top plan view thereof.

I claim:

The ornamental design for a fluid-containing cassette for determining biological activity, as shown.

References Cited UNITED STATES PATENTS Hach et al. D322 C Rosse et al 23253 R Acker et al. 250575 X Acker et al. 250575 X BERNARD ANSHER, Primary Examiner

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