Combined butterfly valve stem and disc
Latest Bulk Tank, Inc. Patents:
Description
Claims
The ornamental design for a combined butterfly valve stem and disc, as shown and described.
Referenced Cited
U.S. Patent Documents
4699357 | October 13, 1987 | Sisk |
4786031 | November 22, 1988 | Waldrop |
4822001 | April 18, 1989 | Sisk |
5207411 | May 4, 1993 | Sisk |
5360030 | November 1, 1994 | Sisk |
D637695 | May 10, 2011 | Fujiyama |
D645119 | September 13, 2011 | Fujiyama |
D650470 | December 13, 2011 | Fujiyama |
D653728 | February 7, 2012 | Light |
D678474 | March 19, 2013 | Sisk |
20040051071 | March 18, 2004 | Ando et al. |
20100006051 | January 14, 2010 | Jeon |
20100148106 | June 17, 2010 | Whitefield |
Patent History
Patent number: D696748
Type: Grant
Filed: Jun 23, 2011
Date of Patent: Dec 31, 2013
Assignee: Bulk Tank, Inc. (Park Hills, MO)
Inventor: David E. Sisk (St. Francois County, MO)
Primary Examiner: Cynthia Ramirez
Application Number: 29/374,020
Type: Grant
Filed: Jun 23, 2011
Date of Patent: Dec 31, 2013
Assignee: Bulk Tank, Inc. (Park Hills, MO)
Inventor: David E. Sisk (St. Francois County, MO)
Primary Examiner: Cynthia Ramirez
Application Number: 29/374,020
Classifications
Current U.S. Class:
Valve Or Body Therefor (D23/233)