Pair of hearing aid tubes

- Resound Corporation
Description

FIG. 1 is a perspective view of the hearing aid tube for use in the right ear;

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a right side view of an alternative embodiment of the hearing aid tube for use in the left ear.

Referenced Cited
U.S. Patent Documents
D251852 May 15, 1979 Guice
2545731 March 1951 French
3851123 November 1974 Lipinski et al.
3934100 January 20, 1976 Harada
4291203 September 22, 1981 Bellafiore
4381830 May 3, 1983 Jelonek et al.
4456795 June 26, 1984 Saito
4677675 June 30, 1987 Killion et al.
5488205 January 30, 1996 Major
Foreign Patent Documents
512354 November 1992 EPX
695108 June 1995 EPX
3328100 July 1984 DEX
6638747 October 1987 DEX
4008982 September 1991 DEX
4339899 June 1995 DEX
792742 April 1958 GBX
Patent History
Patent number: D420135
Type: Grant
Filed: Nov 10, 1998
Date of Patent: Feb 1, 2000
Assignee: Resound Corporation (Redwood City, CA)
Inventors: Robert Fretz (Maplewood, MN), David Barnard (Madison, WI)
Primary Examiner: Stella Reid
Law Firm: Burns Doane Swecker & Mathis LLP
Application Number: 0/96,334
Classifications
Current U.S. Class: Auricular (45) (D24/173)
International Classification: 2404;