USD228386S - Oil tester - Google Patents

Description

United States Patent 0 Des. 228,386 Patented Sept. 18, 1973 OIL TESTER Donald S. Stoakes and Kenneth D. Brock, Minneapolis, Minn., assignors to Thexton Manufacturing Company,

St. Louis Park, Minn.

Filed Oct. 6, 1971, Ser. No. 187,213

Term of patent 14 years Int. Cl. D1005 U.S. Cl. D26-1 Q FIG. 1 is a left front perspective view of an oil tester showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

We claim:

The ornamental design for an oil tester, as shown and described.

References Cited UNITED STATES PATENTS D. 216,984 3/1970 Stanford D261 Q D. 209,776 1/1968 Kutz D52--6 R 3,226,635 12/1965 Moe 324-61 P 3,051,894 8/1962 Fathauer 32461 P JOEL STEARMAN, Primary Examiner N. C. HOLTJE, Assistant Examiner

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