Patent
   D811452
Priority
Dec 14 2015
Filed
Dec 14 2015
Issued
Feb 27 2018
Expiry
Feb 27 2033
Assg.orig
Entity
unknown
0
13
n/a
The ornamental design for a vacuum chuck, as shown and described.

1. Vacuum chuck

1.1 : Front View

The dot-dash line in the figure defines the boundaries of the claimed design and forms no part thereof. Namely, inside of the dot-dash line is not claimed. Dots inside of the dot-dash line represent projected portions which are not colored and are unclaimed.

1.2 : Back View

Broken lines represent no part of claimed design and form no part thereof. Dots inside of broken lines represent projected portions which are not colored and are unclaimed.

1.3 : Right View

Broken lines represent no part of claimed design and form no part thereof.

1.4 : Top View

Broken lines represent no part of claimed design and form no part thereof.

1.5 : Bottom View

Broken lines represent no part of claimed design and form no part thereof.

1.6 : Partial enlarged View

The dot-dash line in the figure represent boundary lines of the claimed design that form no part of the claimed design. Broken lines represent no part of claimed design.

1.7 : Cross-sectional View

Broken lines represent no part of claimed design and form no part thereof.

A left view is omitted because it is symmetrical to the right view 1.3; view 1.6 is a partial enlarged view to show a part of the claimed portion; view 1.7 is a cross-sectional view to show a part of the claimed portion.

Onodera, Norio, Ishino, Tomohiro

Patent Priority Assignee Title
Patent Priority Assignee Title
2852264,
2955829,
3538883,
3627338,
3740900,
6032997, Apr 16 1998 Excimer Laser Systems Vacuum chuck
6427991, Aug 04 2000 Invensas Corporation Non-contact workpiece holder using vortex chuck with central gas flow
8122795, Jul 10 2006 Mar Don Corporation Method for making an elastomeric sealing device
161552,
189992,
D268414, Sep 09 1980 Ralph A., Heineman Lathe chuck
D307593, Feb 26 1987 Vacuum chuck for a lathe for making optically-smooth surfaces
D667033, Jun 02 2009 Rockler Companies, Inc. Workpiece support
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 25 2018ISHINO, TOMOHIRONGK SPARK PLUG CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0456060072 pdf
Jan 25 2018ONODERA, NORIONGK SPARK PLUG CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0456060072 pdf
Jun 30 2023NGK SPARK PLUG CO , LTD NITERRA CO , LTD CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0648420215 pdf
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