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