Switch valve

Description

FIG. 1 is an upper perspective view of a switch valve showing my design.

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D234200 January 1975 Buechler
D291230 August 4, 1987 Kunz
D318903 August 6, 1991 Lenberg
D412561 August 3, 1999 Voo
3036589 May 1962 Mosier
3467356 September 1969 Mueller
Patent History
Patent number: D430272
Type: Grant
Filed: Oct 29, 1999
Date of Patent: Aug 29, 2000
Inventor: Lai Hung-Lin (Chang Hua Hsien)
Primary Examiner: Robin V. Taylor
Law Firm: Harrison & Egbert
Application Number: 0/113,042