Title:
Top cap of a quick-change filter cartridge
United States Patent D322836


Inventors:
Petrucci, Raymond M. (Middlebury, CT)
Taylor, Bruce G. (Kensington, CT)
Giordano, Edward C. (Manchester, CT)
Padilla, James M. (Covina Heights, CA)
Palmer, Carl (La Habra Heights, CA)
Application Number:
07/128503
Publication Date:
12/31/1991
Filing Date:
12/03/1987
Assignee:
Cuno Incorporated (Meriden, CT)
Primary Class:
Field of Search:
D23/207-210, 210/136, 210/238, 210/282, 210/234, 210/440, 210/444, 210/446, 210/448, 210/457, 210/492
View Patent Images:
US Patent References:
D251380FilterMarch, 1979CasamitjanaD23/209
D243767Water softenerMarch, 1977RutherfordD23/207
D221850N/ASeptember, 1971AndersonD23/209
D220263N/AMarch, 1971HughesD23/209
3237770Filter apparatusMarch, 1966Humbert, Jr.210/94
D188688N/AAugust, 1960SicardD23/209



Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Tung M. H.
Attorney, Agent or Firm:
DONALD J. BOBAK, ESQ. (RENNER, KENNER, GREIVE, BOBAK, TAYLOR & WEBER 1610 FIRST NATIONAL TOWER AKRON OH 443081456)
Claims:
1. The ornamental design for a top cap of a quick-change filter cartridge, asshown and described.

Description:

FIG. 1 is a top, front, left side perspective view of a top cap of a quick-change filter cartridge showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear being identical;

FIG. 4 is a left side elevational view thereof, the right side being identical;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a cross-sectional view thereof, taken on line 6--6 of FIG. 2; and

FIG. 7 is a cross-sectional view thereof, taken on line 7--7 of FIG. 2.