Vacuum chuck

- NGK SPARK PLUG CO. LTD.
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Description

1. Vacuum chuck

1.1 : Front View

Broken lines represent no part of claimed design.

Dots inside of solid lines represent projected portions which are not colored and are unclaimed.

1.2 : Rear View

Broken lines represent no part of claimed design.

1.3 : Right View

Broken lines represent no part of claimed design.

1.4 : Left View

Broken lines represent no part of claimed design.

1.5 : Top View

Broken lines represent no part of claimed design.

1.6 : Bottom View

Broken lines represent no part of claimed design.

1.7 : Perspective Enlarged View

Broken lines represent no part of claimed design.

Dots inside of solid lines represent projected portions which are not colored and are unclaimed.

1.8 : Partial Enlarged View of X-Y part of Fig. 1.1

Broken lines represent no part of claimed design.

Dot-dash line illustrates the border of enlarged view and forms no part of the claimed design and forms no part thereof.

1.9 : Cross-Sectional View of A-A line of Fig. 1.1

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

The dotted-dashed broken lines in view 1.9 represent an unclaimed boundary line and form no part of the claimed design; view 1.8 is a partial enlarged view to show a part of the claimed portion; view 1.9 is a cross-sectional view to show a part of the claimed portion.

Claims

The ornamental design for a vacuum chuck, as shown and described.

Referenced Cited
U.S. Patent Documents
2691937 October 1954 Emerson
2852264 September 1958 Granata
4551192 November 5, 1985 Di Milia
D307593 May 1, 1990 Chishty
5564682 October 15, 1996 Tsuji
5857667 January 12, 1999 Lee
6032997 March 7, 2000 Elliott
6176770 January 23, 2001 Kao
6271676 August 7, 2001 Montoya
6464790 October 15, 2002 Sherstinsky
6538733 March 25, 2003 Gaal
6994386 February 7, 2006 Hagmann
7357115 April 15, 2008 Parks
8122795 February 28, 2012 Goll
8336188 December 25, 2012 Monteen
9558985 January 31, 2017 Wang
Patent History
Patent number: D829778
Type: Grant
Filed: Jun 27, 2016
Date of Patent: Oct 2, 2018
Assignee: NGK SPARK PLUG CO. LTD. (Nagoya-shi, Aichi)
Inventor: Tomohiro Ishino (Sendai)
Primary Examiner: Richard E Chilcot
Application Number: 35/502,184
Classifications