Sub woofer

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Description

FIG. 1 is a perspective view of a sub woofer showing our 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;

FIG. 5 is a left side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a sub woofer, as shown.

Referenced Cited
U.S. Patent Documents
D231992 July 1974 Yanagisawa et al.
D263394 March 16, 1982 Szabo
D282255 January 21, 1986 Ross
4805730 February 21, 1989 O'Neill et al.
D340245 October 12, 1993 Christie
D387764 December 16, 1997 Ross, Sr.
D397115 August 18, 1998 Gremchuck
D421754 March 21, 2000 Ito et al.
D480707 October 14, 2003 Bolton et al.
Patent History
Patent number: D534523
Type: Grant
Filed: Apr 5, 2004
Date of Patent: Jan 2, 2007
Assignee: Koninklijke Philips Electronics N.V. (Eindhoven)
Inventors: Keith Tan Chee Kang (Singapore), Terence Loh Tze Kok (Singapore)
Primary Examiner: Nanda Bondade
Application Number: 29/202,774