Switching valve
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Description
The broken lines showing of unclaimed portions of the switching valve form no part of the claimed design.
Claims
The ornamental design for a switching valve, as shown and described.
Referenced Cited
U.S. Patent Documents
3779268 | December 1973 | Conkling |
3857410 | December 1974 | Bedo et al. |
4442864 | April 17, 1984 | Kosugi |
D287044 | December 2, 1986 | Hughes |
4842016 | June 27, 1989 | McKenzie |
5088194 | February 18, 1992 | Lasko |
5878782 | March 9, 1999 | Nakajima |
5881770 | March 16, 1999 | Neill et al. |
7028713 | April 18, 2006 | Koyama |
7117895 | October 10, 2006 | Koyama |
D558859 | January 1, 2008 | Kato et al. |
Patent History
Patent number: D616530
Type: Grant
Filed: Oct 21, 2009
Date of Patent: May 25, 2010
Assignee: Buerkert Werke GmbH & Co., KG
Inventor: Frank Th. Gaertner (Mannheim)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Hayes Soloway P.C.
Application Number: 29/345,742
Type: Grant
Filed: Oct 21, 2009
Date of Patent: May 25, 2010
Assignee: Buerkert Werke GmbH & Co., KG
Inventor: Frank Th. Gaertner (Mannheim)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Hayes Soloway P.C.
Application Number: 29/345,742
Classifications
Current U.S. Class:
Gate Or Butterfly Type (D23/244)