USD232738S - Acoustic coupler - Google Patents

Description

Des. 232,738 Patented Sept. 10, 1974 United States Patent Ofiice 232,738 ACOUSTIC COU PLER Virgil H. Johnson, Churubusco, ImL, assignor to Minnesota Mining and Manufacturing Company Filed Apr. 7, 1972, Ser. N0. 242,271

Term of patent 14 years Int. Cl. D14-03 US. Cl. D26-14 A PAGI 5 FIG. 1 is a top perspective view of an acoustic coupler showing my new design;

FIG. 2 is an end view thereof with the other end being of substantially the same configuration;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof; and

FIG. 5 is a rear view thereof.

I claim:

The ornamental design for an acoustic coupler, substantially as shown and described.

References Cited UNITED STATES PATENTS Wolf D2614 A Silten D2614 A Marsalka et a1. D26-14 A Wolf et a1 179--1 C BERNARD ANSHER, Primary Examiner

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