|Publication number||USD230487 S|
|Publication date||Feb 26, 1974|
|Filing date||Oct 10, 1972|
|Publication number||US D230487 S, US D230487S, US-S-D230487, USD230487 S, USD230487S|
|Inventors||Clifford I. Dawson|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
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.
FIG. 6 is a side view of the acoustic coupler of FIG. 1.
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