Pair of hearing aids

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Description

FIG. 1 is a front elevational view of a pair of hearing aids, showing my new design, wherein the aid for the left ear is shown separately for ease of illustration only;

FIG. 2 is a rear elevational view of the design for a hearing aid for the left ear;

FIG. 3 is a top plan view of the design for a hearing aid for the left ear;

FIG. 4 is a bottom plan view of the design for a hearing aid for the left ear;

FIG. 5 is an outside end elevational view of the design for a hearing aid for the left ear;

FIG. 6 is an inside end elevational view of the design for a hearing aid for the left ear; and

FIG. 7 is a front elevational view thereof, wherein the aid for the right ear is shown separately for ease of illustration only, all other views being mirror images of the corresponding views shown in FIGS. 2-6.

Referenced Cited
U.S. Patent Documents
D273707 May 1, 1984 McCall
3598928 August 1971 Hickox
3783201 January 1974 Weiss et al.
4069400 January 17, 1978 Johanson et al.
4375016 February 22, 1983 Harada
4471490 September 11, 1984 Bellafiore
4476353 October 9, 1984 Haertl
4520236 May 28, 1985 Gauthier
4565904 January 21, 1986 Harada
4584437 April 22, 1986 Gianetti
4598177 July 1, 1986 McGroary et al.
Other references
  • Expan, Bentzen, Oticongress 2, 1972; six page article describing the Expan Earmold. Oticontact, Oticon, 1972; four page advertising pamphlet for the Expan eartip, publ. No. OT 1656. Hearing Aid Journal, article "How to Assemble Custom ITE Hearing Aids", Agnew, Jun. 1982, pp. 7-10. Hearing Instruments, article entitled, "Stock ITC: A New Fitting and Marketing Philosophy", Staab, vol. 36, No. 1, 1985, pp. 24, 26, 28, 62. A Tool for the Optimization of Hearing Aid Fittings, Voroba, 4 page pamphlet reprinted from article published in Hearing Instruments, Jan. 1984.
Patent History
Patent number: D297979
Type: Grant
Filed: May 27, 1986
Date of Patent: Oct 4, 1988
Assignee: Voroba Technologies Associates (Minnetonka, MN)
Inventors: Barry Voroba (Minnetonka, MN), Dennis A. Oberlander (Albertville, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Dorsey & Whitney
Application Number: 6/867,736
Classifications
Current U.S. Class: D24/35