Top cap of a quick-change filter cartridge

- Cuno Incorporated
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Description

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

FIG. 2 is a top 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 bottom plan view thereof;

FIG. 6 is a cross-sectional view thereof, taken on line 6--6 of FIG. 2; and

FIG. 7 is a cross-sectional view thereof, taken on line 7--7 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D188688 August 1960 Sicard
D220263 March 1971 Hughes
D221850 September 1971 Anderson
D243767 March 22, 1977 Rutherford
D251380 March 20, 1979 Casamitjana
3237770 March 1966 Humbert, Jr.
Patent History
Patent number: D322836
Type: Grant
Filed: Dec 3, 1987
Date of Patent: Dec 31, 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: Wallace R. Burke
Assistant Examiner: M. H. Tung
Application Number: 7/128,503
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)