Title:
Quick-change filter cartridge
United States Patent D321394


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:
07/412874
Publication Date:
11/05/1991
Filing Date:
11/27/1989
Assignee:
Cuno, Incorporate (Meriden, CT)
Primary Class:
Field of Search:
D23/207-210, 210/136, 210/234, 210/238, 210/282, 210/440, 210/444, 210/446, 210/448, 210/457, 210/492
View Patent Images:
US Patent References:
D255045Filter casingMay, 1980KronsbeinD23/209
D251601Liquid propane line filterApril, 1979KuykendallD23/209
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:
Lucas, Susan J.
Assistant Examiner:
Tung M. H.
Attorney, Agent or Firm:
Renner, Kenner, Greive, Bobak, Taylor & Weber
Claims:
1. The ornamental design for a quick-change filter cartridge, as shown anddescribed.

Description:

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

FIG. 2 is a bottom 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 top, front, left side perspective view of a second embodiment thereof;

FIG. 6 is a rear elevational view thereof, the front being a mirror image;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a bottom plan view thereof; and

FIG. 9 is a right side elevational view thereof, the lower portion shown partially for ease of illustration.