Water distilling unit

- Pure Water, Inc.
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Description

FIG. 1 is a top, front, right side perspective view of a water distilling unit showing our new design;

FIG. 2 is a top, rear, left side perspective view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a rear elevational view thereof on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D207202 March 1967 Dole
D228642 October 1973 Chasteen et al.
D236463 August 1975 Giovagnoli
D249051 August 22, 1978 Hansrote
D249052 August 22, 1978 Hansrote
D249053 August 22, 1978 Hansrote
D249054 August 22, 1978 Hansrote
D249055 August 22, 1978 Hansrote
D249056 August 22, 1978 Hansrote
D249057 August 22, 1978 Hansrote
D249540 September 19, 1978 Giovagnoli
1629807 May 1927 Oliver
2358591 September 1944 Pugatz
3825491 July 1974 Sanchez
4943353 July 24, 1990 Shannon
Other references
  • "Control for Modular Water Distiller," U.S. patent application Ser. No. 07/166,509, filed Mar. 10, 1988, invented by David J. Shannon and assigned to the same assignee as the present invention and application. Leaflet, "We Care About the Water You Drink!", Polar Bear Water Distillers Mfg. Co. Ltd., Pickardville, Alberta, Canada distributed for more than one year prior to the filing date of the present application. Leaflet, "Pure Water, Inc., Improving the Quality of Life Through the Quality of Water," Pure Water, Inc., Lincoln, Neb., copyright 1985. Booklet, "Aqua D Mark II-Instructions for Assembly and Operation," Pure Water, Inc., Lincoln, Neb., copyright 1985. Booklet, "Aqua D Plus-Instructions for Assembly and Operation," Pure Water, Inc., Lincoln, Neb., copyright 1987. Leaflet, "Aqua D Series," Pure Water, Inc., Lincoln, Neb., copyright 1987. Leaflet, "Midi D System," Pure Water, Inc., Lincoln, Neb., copyright 1988. Leaflet, "Aqua Fountain," Pure Water, Inc., Lincoln, Neb., copyright 1981. Leaflet, "Aqua Clean MD-4," Pure Water, Inc., Lincoln, Neb., copyright 1987. Leaflet, "The Pure Water C-50 Distillation System Plus the Pure Water Model D 1-5 Dispenser," Pure Water, Inc., Lincoln, Neb., copyright 1987. Leaflet, "Sight Glasses Available For Your 5- or 10- Gallon Tank," Pure Water, Inc., Lincoln, Neb., distributed for more than one year prior to the filing of the present application. Leaflet, "C-520 Commercial Water Purification System," Pure Water, Inc., Lincoln, Neb., copyright 1989.
Patent History
Patent number: D316739
Type: Grant
Filed: Mar 19, 1990
Date of Patent: May 7, 1991
Assignee: Pure Water, Inc. (Lincoln, NE)
Inventors: Theodore B. Erickson (Lincoln, NE), Ivan F. Reed (Lincoln, NE), Harold D. Johnson (Lincoln, NE)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Price, Heneveld, Cooper, DeWitt & Litton
Application Number: 7/495,845
Classifications
Current U.S. Class: Treatment (D23/207)