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Description

Des. 221,525 Patented Aug. 24, 1971 United States Patent 0 "Ice SEWAGE TREATMENT PLANT David S. MacLaren, 21176 Brantley Road,

Shaker Heights, Ohio 44120 Filed Mar. 17, 1970, Ser. No. 21,933

Term of patent 14 years Int. Cl. D2599 US. Cl. D131 Des. 221,525

PAGE 2 FIG 4 Des. 221,525

PAGE 6 FIG /0 FIG. 1 is an isometric view of a sewage treatment plant embodying my new design and showing the front, top and right end of the plant;

FIG. 2 is a top plan view of the sewage treatment plant shown in FIG. 1. The bottom plan view of the plant is plain;

FIG. 3 is a rear elevational view of the sewage treatment plant shown in FIG. 1. The front elevational view of the plant is the same in appearance as this view;

FIG. 4 is a side elevational view of the sewage treatment plant shown in FIG. 1 as taken from the left end thereof. The right end is shown in FIG. 1;

FIG. 5 is an isometric view of a sewage treatment plant embodying a modified form of my new design, and showing the front, top and right end thereof;

FIG. 6 is a top plan view of the sewage treatment plant of FIG. 5. The bottom plan view of the plant is plain;

FIG. 7 is a rear elevational view of the sewage treatment plant of FIG. 5. The front elevational view of the plant is the same in appearance as this view;

FIG. 8 is a side elevational view of the sewage treatment plant of FIG. 5 as taken from the left end thereof. The right end is shown in FIG. 5;

Fla /2 FIG. 9 is an isometric view of a sewage treatment plant embodying another modified form of my new design, and showing the front, top and right end thereof;

FIG. 10 is a top plan view of the sewage treatment plant of FIG. 9. The bottom plan view of the plant is plain;

FIG. 11 is a rear elevational view of the sewage treatment plant of FIG. 9. The front elevational view of the plant is the same in appearance as this view; and,

FIG. 12 is a side elevational view of the sewage treatment plant of FIG. 9 as taken from the left end thereof. The right end is shown in FIG. 9.

I claim:

The ornamental design for a sewage treatment plant, substantially as shown and described.

References Cited UNITED STATES PATENTS D. 210,006 1/1968 Schack D131 3,112,760 12/1963 Budd.

A. HUGO WORD, Primary Examiner

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