Check valve

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Description

FIG. 1 is a perspective view of check valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top side elevational view thereof; and,

FIG. 7 is a bottom side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D27244 June 1897 Ford
D242797 December 21, 1976 Johnson
D245482 August 23, 1977 Flinta et al.
D260280 August 18, 1981 Campbell
2339101 January 1944 Parker
Patent History
Patent number: D419217
Type: Grant
Filed: Oct 19, 1998
Date of Patent: Jan 18, 2000
Inventor: Kuo-Jium Lee (Taipei)
Primary Examiner: Robin V. Taylor
Law Firm: Rosenberg, Klein & Lee
Application Number: 0/95,180
Classifications
Current U.S. Class: Check (D23/237); Fitting (10) (D23/259)
International Classification: 2301;