Patent
   D336647
Priority
Jun 06 1991
Filed
Oct 21 1991
Issued
Jun 22 1993
Expiry
Jun 22 2007
Assg.orig
Entity
unknown
6
8
n/a
The ornamental design for a headphone, as shown and described.

FIG. 1 is a top plan view of a headphone, showing my new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof shown with headband in the extended position.

Yamazaki, Akira

Patent Priority Assignee Title
D357254, Mar 23 1992 Silver Creek Nurseries, Inc. Combination hearing protector and sound amplifier
D410238, May 17 1996 Deben Group Industries Limited Ear-defender assembly
D913598, Jan 31 2019 INVISIO A S Headset
D932709, Sep 26 2020 Passive shooting earmuffs
D978444, Jun 17 2021 Electronic earmuff
ER9687,
Patent Priority Assignee Title
2782423,
5018599, Oct 03 1988 Sony Corporation Headphone device
222361,
D244037, Jun 16 1976 Audiotronics Corporation Acoustical head-set
D254616, May 19 1977 Sansui Electric Co., Ltd. Head phone
D301145, Sep 25 1986 Koss Corporation Stereophone or similar article
D313092, Feb 19 1988 Bilsom AB Ear muff
D317767, Jan 19 1989 Koss Corporation Headphone or similar article
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 21 1991Sony Corporation(assignment on the face of the patent)
Dec 02 1991YAMAZAKI, AKIRASONY CORPORATION A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0059500968 pdf
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