Hearing aid coupler

Description

FIG. 1 is a perspective view of a hearing aid coupler showing my new design;

FIG. 2 is a left side elevational view thereof, the other side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D251852 May 15, 1979 Guice
1207704 December 1916 Baum
2738025 March 1956 Annas
3080011 March 1963 Henderson
4296829 October 27, 1981 Pedersen
4349083 September 14, 1982 Bennett
Patent History
Patent number: D274839
Type: Grant
Filed: Nov 23, 1981
Date of Patent: Jul 24, 1984
Assignee: Associated Auditory Instruments, Inc. (Upper Darby, PA)
Inventor: E. Robert Libby (Bala Cynwyd, PA)
Primary Examiner: Bernard Ansher
Attorney: Karl L. Spivak
Application Number: 6/323,816
Classifications
Current U.S. Class: D24/35