Combined quick-change filter cartridge and head

- Cuno, Incorporated
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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.

Referenced Cited
U.S. Patent Documents
D188688 August 1960 Sicard
D199075 September 1964 Kudlaty
D199139 September 1964 Kudlaty
D220263 March 1971 Hughes
D251380 March 20, 1979 Casamitjana
D295438 April 26, 1988 Bray et al.
1624526 April 1927 Bohmsack
2955712 October 1960 Gutkowski
3237770 March 1966 Humbert, Jr.
4192750 March 11, 1980 Elfes et al.
Other references
  • Brookstone Catalogue Advertisement item Water Filter System, Jan. 1986, p. 42.
Patent History
Patent number: D306754
Type: Grant
Filed: Dec 3, 1987
Date of Patent: Mar 20, 1990
Assignee: Cuno, Incorporated (Meriden, CT)
Inventors: Raymond M. Petrucci (Middlebury, CT), Bruce G. Taylor (Kensington, CT), Edward C. Giordano (Manchester, CT), James M. Padilla (Covina Heights, CA), Carl Palmer (La Habra Heights, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Weingram & Zall
Application Number: 7/128,504
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)