Tapered valve seat

- Kerr Machine Co.
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Description

FIG. 1 is a side plan view of a tapered valve seat showing our new design, the right side, left side, front side and back side being identical;

FIG. 2 is a sectional plan view taken along line 2-2 of FIG. 3 thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a top perspective view thereof; and,

FIG. 6 is a bottom perspective view thereof.

Claims

The ornamental design for a tapered valve seat, as shown and described.

Referenced Cited
U.S. Patent Documents
1822682 September 1931 Weiger
3474808 October 1969 Elliott
5370148 December 6, 1994 Shafer
D383053 September 2, 1997 Schrader
6257626 July 10, 2001 Campau
D616966 June 1, 2010 Angell
D631142 January 18, 2011 Angell
D731035 June 2, 2015 Lo Cicero
D737497 August 25, 2015 Burgess
D748228 January 26, 2016 Bayyouk
D787029 May 16, 2017 Bayyouk
D806241 December 26, 2017 Swinney
D861834 October 1, 2019 Foster
20110173814 July 21, 2011 Patel
20150084335 March 26, 2015 Farrell
Patent History
Patent number: D880661
Type: Grant
Filed: Aug 24, 2017
Date of Patent: Apr 7, 2020
Assignee: Kerr Machine Co. (Sulphur, OK)
Inventors: Kelcy Jake Foster (Ardmore, OK), Mark S. Nowell (Ardmore, OK), Christopher Todd Barnett (Stratford, OK)
Primary Examiner: Amy C Wierenga
Application Number: 29/614,954
Classifications