Patent
   D615528
Priority
Jul 29 2009
Filed
Jul 29 2009
Issued
May 11 2010
Expiry
May 11 2024
Assg.orig
Entity
unknown
7
16
n/a
The ornamental design for a headphone, as shown and described.

FIG. 1 is a perspective view of a headphone showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines form no part of the claimed design.

Kuo, Kuan I

Patent Priority Assignee Title
D683335, May 19 2010 VOCOLLECT, Inc. Microphone
D713375, Mar 07 2013 David Clark Company Incorporated Active headset
D713376, Mar 07 2013 David Clark Company Incorporated Passive headset
D738852, Feb 12 2014 OTICON A S Speaker unit
D859355, Dec 28 2017 Headphones
D941798, Jan 21 2020 3M Innovative Properties Company Headset
D985530, Jan 21 2020 3M Innovative Properties Company Headset
Patent Priority Assignee Title
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5751825, Aug 19 1994 Combination electronic metronome and headphone unit
6654966, Feb 25 2003 Fully collapsible headset
7444687, Aug 29 2005 3M Innovative Properties Company Hearing protective device that includes cellular earmuffs
222547,
D255352, Feb 06 1978 Koss Corporation Headphone
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D337115, Jun 05 1991 SONY CORPORATION A CORPORATION OF JAPAN Headphone
D357254, Mar 23 1992 Silver Creek Nurseries, Inc. Combination hearing protector and sound amplifier
D413413, Dec 18 1997 Hearing protector
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 13 2009KUO, KUAN IJRT PRECISION TECHNOLOGY INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0230210104 pdf
Jul 29 2009JRT Precision Technology Inc.(assignment on the face of the patent)
Nov 01 2011JRT PRECISION TECHNOLOGY INC ENCOUNTERS PRODUCTS CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0271760175 pdf
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