Gate valve

Description

FIG. 1 is a perspective view taken from the top, front and left side of a gate valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D179791 February 1957 Williams
D291724 September 1, 1987 Kemp
3063079 November 1962 Bergman et al.
3215157 November 1965 Anderson et al.
3533598 October 1970 Tillman, III
3557822 January 1971 Chronister
3889925 June 1975 Brooks
3929316 December 1975 Guthrie
4043535 August 23, 1977 Freeman et al.
4340204 July 20, 1982 Herd
4588164 May 13, 1986 Kemp
Patent History
Patent number: D296921
Type: Grant
Filed: Aug 30, 1985
Date of Patent: Jul 26, 1988
Inventor: Willard E. Kemp (Houston, TX)
Primary Examiner: James R. Largen
Law Firm: Vaden, Eickenroht, Thompson & Boulware
Application Number: 6/771,425
Classifications
Current U.S. Class: Gate Or Butterfly Type (D23/244)