USD223686S - Centrifugal pump - Google Patents

Description

United States Patent O "we 223,686

CENTRIFUGAL PUMP Harry J. Sadler, St. Paul, and Ramon Pareja, Minneapolis, Minm, assignors to Hypro, Inc., St. Paul, Minn.

Filed Jan. 9, 1970, Ser. No. 20,859

Term of patent 14 years Int. Cl. DIS-02 US. Cl. D651 Patented May 23, 1972- FIG. 1 is a perspective view taken from one side of a centrifugal pump embodying our new design;

FIG. 2 is an elevational view taken from the side opposite that shown in FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIGS. 5 and 6 are top and bottom plan views thereof, respectively.

We claim:

The ornamental design for a centrifugal pump, substantially as shown.

Des. 223,686

PAGE 2 References Cited UNITED STATES PATENTS Little D651 D.-1615,728 1/19512 Zimmer, Jr. D65-1 D. 172,629 7/1954 Lung 'D65-1 D. 178,799 9/1956 Lung D651 D. 206,502 12/1966 Wells D6151 OTHER REFERENCES Developments, November 1962, back cover.

Product Engineering, July 9, 1962, inside front cover.

JAMES R. LARGEN, Primary Examiner

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