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Publication numberUSD489739 S1
Publication typeGrant
Application numberUS 29/183,941
Publication dateMay 11, 2004
Filing dateJun 20, 2003
Priority dateDec 20, 2002
Publication number183941, 29183941, US D489739 S1, US D489739S1, US-S1-D489739, USD489739 S1, USD489739S1
InventorsKeisuke Okugawa
Original AssigneeNgk Spark Plug Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electrostatic chuck
US D489739 S1
Images(4)
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Claims(1)
  1. The ornamental design for a electrostatic chuck, as shown and described.
Description

FIG. 1 is a perspective view of the top, front and right side of an electrostatic chuck showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

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

FIG. 7 is a sectional view taking along the line 77 in FIG. 5.

Classifications
U.S. ClassificationD15/140