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Patent
   D449591
Priority
Feb 25 2000
Filed
Aug 24 2000
Issued
Oct 23 2001
Expiry
Oct 23 2015
Inventors
Arpe, Mich…
Assg.orig
DeTeWe AG …
DETEWE AG …
Assg.curr
DETEWE SYS…
Entity
unknown
Referenced by
10
References
4
Maint.:
n/a
The ornamental design for cordless headphone, as shown and described.

The single FIGURE of the drawing is a perspective view of the cordless headphone.
INVENTORS:

Arpe, Michael

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6888950, Jul 02 2002 HEARGEAR, LLC Ear warming article including electronic device and easily interchangeable advertising areas
7668330, Jul 02 2002 HEARGEAR, LLC Ear warming article including electronic device and easily interchangeable advertising areas
8204265, Jul 02 2002 HEARGEAR, LLC Ear warming article including electronic device and easily interchangeable advertising areas
D484875, Jan 09 2002 Head strap for holding a telephone
D518037, Nov 17 2003 Head-worn phone holder
D603371, May 29 2008 Headphone display
D615516, May 28 2008 FIH (Hong Kong) Limited Electronic device
D616418, Jul 15 2009 Sony Corporation Headset
D784289, Sep 10 2015 DEXIN CORPORATION Part of over-ear headphones
D863584, Jun 06 2018 Hand pressure device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4727599, Oct 02 1985 RAPPAPORT, RICHARD M Waterproof radio headband
5793878, Jun 05 1997 MERRY ELECTRONICS CO , LTD Headset microphone having a location apparatus
D263043, Jan 23 1980 Doris J., Leeds Headset for one-way private channel radio communications system
D358388, Jul 13 1992 Sony Corporation Headphone
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 24 2000DeTeWe AG & Co.(assignment on the face of the patent)
Aug 24 2000ARPE, MICHAELDETEWE AG & CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0120180208 pdf
Aug 10 2005DETEWE - DEUTSCHE TELEPHONWERKE AKTIENGESELLSCHAFT & CO KGDETEWE SYSTEMS GMBHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0172750307 pdf
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