Title:
Combined quick-change filter cartridge and head
United States Patent D306754


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:
07/128504
Publication Date:
03/20/1990
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:
D295438Water treatment assembly headApril, 1988Bray et al.D23/207
4192750Stackable filter head unitMarch, 1980Elfes et al.210/232
D251380FilterMarch, 1979CasamitjanaD23/209
D220263N/AMarch, 1971HughesD23/209
3237770Filter apparatusMarch, 1966Humbert, Jr.210/94
D199075N/ASeptember, 1964KudlatyD23/209
D199139N/ASeptember, 1964KudlatyD23/209
2955712High pressure oil filter unit having threaded bowl assembly valve actuating meansOctober, 1960Gutkowski210/234
D188688N/AAugust, 1960SicardD23/209
1624526Oil filterApril, 1927BohmsackD23/209



Other References:
Brookstone Catalogue Advertisement item Water Filter System, Jan. 1986, p. 42.
Primary Examiner:
Lucas, Susan J.
Assistant Examiner:
Tung M. H.
Attorney, Agent or Firm:
Weingram & Zall
Claims:
1. The ornamental design for a combined quick-change filter cartridge andhead, as shown and described.

Description:

FIG. 1 is a top, rear and side perspective view of the combined quick-change filter cartridge and head showing our new design;

FIG. 2 is a top, front and left side perspective view thereof;

FIG. 3 is a bottom, front and right side perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a left side elevational view thereof; and

FIG. 9 is a right side elevational view thereof.