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
Foreign 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 |
36926 | August 1989 | EPX |
2930986 | February 1980 | DEX |
229603 | November 1985 | DDX |
8600237 | January 1986 | WOX |
Patent History
Patent number: D323202
Type: Grant
Filed: Jun 9, 1989
Date of Patent: Jan 14, 1992
Inventor: Henry B. Kopf (Cary, NC)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Steven J. Hultquist
Application Number: 7/364,636
Type: Grant
Filed: Jun 9, 1989
Date of Patent: Jan 14, 1992
Inventor: Henry B. Kopf (Cary, NC)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Steven J. Hultquist
Application Number: 7/364,636
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)