Hearing test instrument

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Description

FIG. 1 is a perspective view of his hearing test instrument;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side elevational view with the left side elevational view being a substantial mirror image;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view of an alternative embodiment of the hearing test instrument shown in FIG. 1;

FIG. 8 is a front view of the embodiment shown in FIG. 7;

FIG. 9 is a rear view of the embodiment shown in FIG. 7;

FIG. 10 is a right side elevational view of the embodiment shown in FIG. 7 with the left side elevational view being a substantial mirror image;

FIG. 11 is a top view of the FIG. 7 embodiment; and,

FIG. 12 is a bottom view of the FIG. 7 embodiment.

Referenced Cited
U.S. Patent Documents
D298773 November 29, 1988 Eckstein et al.
D319501 August 27, 1991 Peterson
3404235 October 1968 Goldberg
3745674 July 1973 Thompson et al.
4667683 May 26, 1987 Dugot
Patent History
Patent number: D417278
Type: Grant
Filed: Jan 20, 1999
Date of Patent: Nov 30, 1999
Assignee: Eckstein Family Trust (Los Angeles, CA)
Inventor: Leo H. Eckstein, deceased (late of Los Angeles, CA)
Primary Examiner: Stella Reid
Law Firm: Cislo & Thomas LLP
Application Number: 0/99,345
Classifications
Current U.S. Class: Auricular (45) (D24/173)
International Classification: 2401;