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
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)