Patent
   D574362
Priority
Jan 05 2007
Filed
Jan 05 2007
Issued
Aug 05 2008
Expiry
Aug 05 2022
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a vacuum tube speaker, as shown and described.

FIG. 1 is a perspective view of a vacuum tube speaker embodying my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Zhong, Tomson

Patent Priority Assignee Title
8199958, May 22 2008 Robert Bosch GmbH Battery charging jobsite audio apparatus
D744981, Jan 02 2014 Samsung Electronics Co., Ltd. Audio component
D893460, Apr 11 2018 Echowell Electronic Co., Ltd. Vacuum tube speaker
Patent Priority Assignee Title
D339345, Apr 10 1991 SHARP KABUSHIKI KAISHA A CORP OF JAPAN Combined digital audio disc player, radio tuner and tape recorder
D365822, Mar 05 1991 TEAC Corporation Front panel for a combined digital audio disc player, radio receiver, amplifier tape recorder and speakers
D415155, May 01 1998 Alfa Technology Limited Combined radio, cassette tape recorder, and compact disc player
D469079, Dec 28 2001 Alfa Technology Limited Home audio system
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 29 2006ZHONG, TOMSONDermax Technology LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0190250914 pdf
Jan 05 2007Dermax Technology Limited(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule