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The ornamental design for a vacuum chuck, as shown and described.
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1. Vacuum chuck
The broken line in the figure defines the boundaries of the claimed design and form no part thereof. Namely, outside of the external dot-dash line and inside of the internal dot-dash line are not claimed. Dots inside of broken line and inside of outside solid line represent projected portions which are not colored and are unclaimed.
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.
Broken lines represent no part of claimed design and form no part thereof.
Broken lines represent no part of claimed design and form no part thereof.
Broken lines represent no part of claimed design and form no part thereof.
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.
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
Onodera, Norio, Ishino, Tomohiro
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 25 2018 | ISHINO, TOMOHIRO | NGK SPARK PLUG CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045235 | /0245 | |
Jan 25 2018 | ONODERA, NORIO | NGK SPARK PLUG CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045235 | /0245 | |
Jun 30 2023 | NGK SPARK PLUG CO , LTD | NITERRA CO , LTD | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 064842 | /0215 |
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