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

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:
Publication Date:
Filing Date:
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
1. The ornamental design for a combined quick-change filter cartridge andhead, as shown and described.


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.