Combined quick-change filter cartridge and head

- Cuno, Incorporated
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Description

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a rear elevational view thereof.

The cartridge is partially drawn in FIGS. 4-6 for convenience of illustration.

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 Casanutjanra
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 catalog advertisement item Water Filter System, Jan. 1986, p. 42.
Patent History
Patent number: D317040
Type: Grant
Filed: Sep 27, 1989
Date of Patent: May 21, 1991
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: Renner, Kenner, Greive, Bobak, Taylor & Weber
Application Number: 7/412,872
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)