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Publication numberUSD230487 S
Publication typeGrant
Publication dateFeb 26, 1974
Filing dateOct 10, 1972
Publication numberUS D230487 S, US D230487S, US-S-D230487, USD230487 S, USD230487S
InventorsClifford I. Dawson
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Acoustic coupler
US D230487 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

United States Patent Ofificc Des. 230,487 Patented Feb. 26, 1974 ACOUSTIC COUPLER Cliliord I. Dawson Morgan Hill and Royal G. Hazlitt, San Jose, Calif, assignors to International Business Machines Corporation, Armonlr, N.Y.

Filed Oct. 10, 1972, Ser. No. 296,464

Term of patent 14 years Int. Cl. D14-03 US. Cl. DIG-14 A FIG. 1 is a perspective view of an acoustic coupler embodying our new design;

FIG. 2 is a top plan view of the acoustic coupler of FIG. 1;

FIG. 3 is a bottom plan view of the acoustic coupler of FIG. 1;

FIG. 4 is a rear view of the acoustic coupler of FIG. 1; FIG. 5 is a front view of the acoustic coupler of FIG.

1; and

FIG. 6 is a side view of the acoustic coupler of FIG. 1.

We claim:

The ornamental design for an acoustic coupler, as shown.

References Cited UNITED STATES PATENTS D. 214,628 7/1969 Kahn D26-l4A D. 219,453 12/1970 Iahn et a1. D26--14A 3,319,003 5/1967 Prager 179-1 C OTHER REFERENCES Lafayette Radio Electronics Cat. No. 710, 1971, 1970, p. 195, snap-on miniature amplifier, item No. 32-F48929.

BERNARD ANSHER, Primary Examiner