Valve seat

- Cooper Industries, Inc.
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Description

FIG. 1 is a top plan view of a valve seat showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D217666 May 1970 Self
2090486 August 1937 Richardson
3123095 March 1964 Kohler
3428082 February 1969 Kohler
3875962 April 1975 Bauer
4495964 January 29, 1985 Bennitt
4627464 December 9, 1986 Hartshorn
4854341 August 8, 1989 Bauer
4889156 December 26, 1989 Woollatt et al.
4913187 April 3, 1990 Wollatt et al.
5036880 August 6, 1991 Safford et al.
Patent History
Patent number: D336679
Type: Grant
Filed: Jan 4, 1990
Date of Patent: Jun 22, 1993
Assignee: Cooper Industries, Inc. (Houston, TX)
Inventors: George J. Safford (Quincy, IL), Gene R. Bluhm (Quincy, IL)
Primary Examiner: James R. Largen
Law Firm: Laff, Whitesel, Conte & Saret
Application Number: 7/460,716
Classifications
Current U.S. Class: Element Or Attachment (D23/249)