Switch valve
Description
Claims
The ornamental design for a switch valve, as shown and described.
Referenced Cited
U.S. Patent Documents
D27244 | June 1897 | Ford |
D300171 | March 7, 1989 | Been |
D351897 | October 25, 1994 | Keeslar |
5992823 | November 30, 1999 | Lai |
D448454 | September 25, 2001 | Lai |
D470222 | February 11, 2003 | Nortier |
D473631 | April 22, 2003 | Lai |
6640390 | November 4, 2003 | Lai |
D495031 | August 24, 2004 | Taylor |
D498821 | November 23, 2004 | Nortier |
7124999 | October 24, 2006 | Lai |
D568965 | May 13, 2008 | Johnson |
Patent History
Patent number: D605253
Type: Grant
Filed: Apr 21, 2008
Date of Patent: Dec 1, 2009
Inventor: Hung-Lin Lai (Lu Kang Township, Chang Hua Hsien)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Kamrath & Associates PA
Application Number: 29/306,982
Type: Grant
Filed: Apr 21, 2008
Date of Patent: Dec 1, 2009
Inventor: Hung-Lin Lai (Lu Kang Township, Chang Hua Hsien)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Kamrath & Associates PA
Application Number: 29/306,982
Classifications
Current U.S. Class:
Valve Or Body Therefor (D23/233)