Reverse osmosis water purifier

Latest Water Resources International, Inc. Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top, front and left side perspective view of a reverse osmosis water purifier showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D136021 July 1943 Kraissl, Jr.
D228655 October 1973 Frascone
D236829 September 1975 Berry, Jr. et al.
D268866 May 3, 1983 Desai et al.
D273697 May 1, 1984 Johnson et al.
2238003 April 1941 Wilkinson
Patent History
Patent number: D290638
Type: Grant
Filed: Dec 20, 1985
Date of Patent: Jun 30, 1987
Assignee: Water Resources International, Inc. (Phoenix, AZ)
Inventor: Jerry M. Bishop (Phoenix, AZ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Edward W. Hughes
Application Number: 6/811,736
Classifications
Current U.S. Class: D23/3