Water softener

- Ecowater Systems, Inc.
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Description

FIG. 1 is a front perspective view of a water softener showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

The broken lines show a display or control panel for illustrative purposes only, and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D225325 December 1972 Marsh
D225327 December 1972 Marsh
D238363 January 1976 Polens
D253007 September 25, 1979 Casberg et al.
3326377 June 1967 Abos
Patent History
Patent number: D328330
Type: Grant
Filed: Nov 30, 1990
Date of Patent: Jul 28, 1992
Assignee: Ecowater Systems, Inc. (Woodbury, MN)
Inventors: Michael E. Drager (St. Paul, MN), Edward J. Tischler (St. Paul, MN), Dennis G. Winberg (Cottage Grove, MN)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorneys: Jon C. Gealow, James M. Wetzel
Application Number: 7/621,554
Classifications
Current U.S. Class: Treatment (D23/207)