USD221957S - - Google Patents

Description

United States Patent Ofiice 221,957

Patented Sept. 21, 1971 DIGITAL POWER SUPPLY Robert E. C. Smyth, Centerport, N.Y., assignor to Digital Apparatus Corporation, Deer Park, N.Y.

Filed Jan. 12, 1970, Ser. No. 20,873

Term of patent 14 years Int. Cl. DIS-02 U.S. Cl. D2615 Des. 221,957

PAGE 9 FIG. 1 is a perspective view of a digital power supply showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design.

I claim: The ornamental design for a digital power supply, substantially as shown and described.

References Cited UNITED STATES PATENTS D. 210,730 4/1968 Siegel D2615 D. 210,731 4/1968 Siegel D26-15 2,978,596 4/ 1961 Robirds 307151 3,056,893 10/1962 Russ 307150 BERNARD ANSHER, Primary Examiner

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