Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Design Patent
2003-06-20
2004-06-08
Lieberman, Lucy (Department: 2913)
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
Design Patent
active
D0491206
CLAIM:
The ornamental design for a electrostatic chuck, as shown and described.
REFERENCES:
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patent: 5671116 (1997-09-01), Husain
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patent: D420022 (2000-02-01), Burkhart et al.
patent: D425919 (2000-05-01), Burkhart et al.
patent: 6513796 (2003-02-01), Leidy et al.
patent: 6639783 (2003-10-01), Shamouilian et al.
Lieberman Lucy
NGK Spark Plug Co. Ltd.
Sughrue & Mion, PLLC
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