Filter plate

Description

FIG. 1 is a top plan view of a filter plate showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a front elevation view thereof.

Referenced Cited
U.S. Patent Documents
2663431 December 1953 Clarke
3278033 October 1966 Winterstein
3497065 February 1970 Johnson, Jr.
3543938 December 1970 Busse et al.
4801381 January 31, 1989 Niesen
4867876 September 19, 1989 Kopf
Foreign Patent Documents
36926 August 1984 EPX
2930986 February 1980 DEX
229603 January 1985 DDX
8600237 January 1986 WOX
Patent History
Patent number: D322117
Type: Grant
Filed: Sep 1, 1989
Date of Patent: Dec 3, 1991
Inventor: Henry B. Kopf (Cary, NC)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Steven J. Hultquist
Application Number: 7/403,148
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)