Patent
   D636491
Priority
Aug 10 2009
Filed
Feb 05 2010
Issued
Apr 19 2011
Expiry
Apr 19 2025
Assg.orig
Entity
unknown
0
7
n/a
The ornamental design for an apparatus for hearing test, as shown and described.

FIG. 1 is a front perspective view of a apparatus for hearing test showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

van der Reijden, Christoph Stefan

Patent Priority Assignee Title
Patent Priority Assignee Title
4173715, Jan 13 1978 Acoustical device
5954667, Sep 07 1996 KAMMERMEIER, HEIKE; SEIPL, JOHANN Device for deriving acoustically evoked brain potentials
D301145, Sep 25 1986 Koss Corporation Stereophone or similar article
D302429, Jul 02 1986 RCA LICENSING CORPORATION, A DE CORP Walkie talkie
D552077, Jun 13 2006 Apple Inc Headphone
D585870, Feb 05 2008 KYE Systems Corp. Earphone
D623167, Aug 14 2008 PSYKO AUDIO LABS INC Headphones
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 05 2010Cordial Medical Europe B.V.(assignment on the face of the patent)
Feb 05 2010VAN DER REIJDEN, CHRISTOPH STEFANCORDIAL MEDICAL EUROPE B V ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0239600313 pdf
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