Patent
   D424583
Priority
Oct 21 1997
Filed
Apr 21 1998
Issued
May 09 2000
Expiry
May 09 2014
Assg.orig
Entity
unknown
4
5
n/a
The ornamental design for a hinge unit for vacuum-processing a semiconductor wafer, as shown.

FIG. 1 is a front elevational view of hinge unit for vacuum-processing a semiconductor wafer, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

Mizukami, Masami

Patent Priority Assignee Title
D669104, Sep 04 2009 KHS GmbH Machine
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Patent Priority Assignee Title
1120163,
4011628, Oct 04 1974 Hinge means for a pivotable window
4923054, Nov 27 1987 Dainippon Screen Mfg. Co., Ltd. Wafer transfer apparatus having an improved wafer transfer portion
5195210, Jun 19 1992 Hydraulic door hinge
139795,
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Apr 10 1998MIZUKAMI, MASAMITokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0091350533 pdf
Apr 21 1998Tokyo Electron Limited(assignment on the face of the patent)
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