Patent
   D331057
Priority
Jan 11 1990
Filed
Jun 06 1990
Issued
Nov 17 1992
Expiry
Nov 17 2006
Assg.orig
Entity
unknown
98
2
n/a
The ornamental design for a headphone, as shown and described.

FIG. 1 is a top, front and right-side perspective view of a headphone, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof, the left-side being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Isonaga, Yasuaki

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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 31 1990ISONAGA, YASUAKISONY CORPORATION, 7-35 KITASHINAGAWA-6, SHINAGAWA-KU, TOKYO, JAPAN A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0053470612 pdf
Jun 06 1990Sony Corporation(assignment on the face of the patent)
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