Acoustic coupler adapter


FIG. 1 is a top perspective view of an acoustic coupler, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left elevation view thereof; and

FIG. 7 is a right elevation view thereof.

Referenced Cited
U.S. Patent Documents
D239364 April 1976 Chadima, Jr. et al.
D245602 August 30, 1977 Genaro et al.
D256465 August 19, 1980 Tyler
D265992 August 31, 1982 Hirata et al
3976840 August 24, 1976 Cleveland et al.
Patent History
Patent number: D270834
Type: Grant
Filed: Oct 5, 1981
Date of Patent: Oct 4, 1983
Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ)
Inventors: Donald M. Genaro (Haworth, NJ), Gordon E. Sylvester (Jamaica, NY), G. Varadarajan (East Windsor, NJ)
Primary Examiner: Bernard Ansher
Attorney: David H. Tannenbaum
Application Number: 6/308,508
Current U.S. Class: D14/57; D14/101
International Classification: D14103;