Gate valve seal
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Each embodiment of the present design has a uniform cross-section when taken at any point around the circumference of the seal.
The cross hatching shown in the cross-sectional views is included to designate the material of the seal in accordance with United States patent drawing conventions, and forms no part of the claimed design.
Claims
The ornamental design for a gate valve seal, as shown and described.
3875634 | April 1975 | Minegishi |
4421330 | December 20, 1983 | Burke |
4570944 | February 18, 1986 | Traub |
5979904 | November 9, 1999 | Balsells |
6402944 | June 11, 2002 | Vaughan |
6886833 | May 3, 2005 | von Engelbrechten et al. |
7299941 | November 27, 2007 | McMahon, III et al. |
D556866 | December 4, 2007 | Darce |
D557387 | December 11, 2007 | Darce |
D561877 | February 12, 2008 | Hopkins et al. |
7341257 | March 11, 2008 | Toth et al. |
D605739 | December 8, 2009 | Henry et al. |
D607091 | December 29, 2009 | Weston |
D614272 | April 20, 2010 | Henry et al. |
20020140176 | October 3, 2002 | Tong |
20050098957 | May 12, 2005 | Goss et al. |
20080296846 | December 4, 2008 | Daggett et al. |
11020128 | January 1999 | JP |
11201288 | July 1999 | JP |
1272633 | June 2006 | JP |
1361605 | May 2009 | JP |
1361604 | February 2010 | JP |
319758 | March 1993 | TW |
123319 | May 1996 | TW |
253730 | December 2004 | TW |
265252 | November 2006 | TW |
Type: Grant
Filed: May 26, 2009
Date of Patent: Mar 8, 2011
Assignee: Nippon Valqua Industries, Ltd. (Tokyo)
Inventor: Ippei Nakagawa (Machida)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: The Webb Law Firm
Application Number: 29/337,562