Washing unit for cylindrical cartridge filters

Description

FIG. 1 is a perspective view of a washing unit for cylindrical cartridge filters showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image; and

FIG. 3 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
3075534 January 1963 Habostad
3538926 November 1970 Nesbitt
3604437 September 1971 Tappan, Jr.
3820552 June 1974 Lang et al.
4377175 March 22, 1983 Fritz
Patent History
Patent number: D283063
Type: Grant
Filed: Jan 31, 1983
Date of Patent: Mar 18, 1986
Inventor: Paul D. Holman (Phoenix, AZ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Law Firm: Cahill, Sutton & Thomas
Application Number: 6/462,649
Classifications