USD231540S - Plug-in power supply - Google Patents

Description

nited States Patent Oflice Des. 231,540 Patented Apr. 30, 1974 PLUG-IN POWER SUPPLY John Muller, Massapequa, and James Gietzen, Smithtown,

N.Y., assignors to Dynamic Instrument Corp., Plainview, Long island, N.Y.

Filed Apr. 20, 1972, Ser. No. 246,099

Term of patent 14 years Int. Cl. D13-02 US. Cl. D26-15 A FIG. 1 is a perspective view of a plug-in power supply showing our new design;

FIG. 2 is a top plan view of the plug-in power supply shown in FIG. 1;

FIG. 3 is a bottom plan view of the plug-in power supply shown in FIG. 1;

FIG. 4 is a side elevational view of the plug-in power supply of FIG. 1; and

FIGS. 5 and 6 are front and rear elevational views of the plug-in power supply of FIG. 1.

We claim:

The ornamental design for a plug-in power supply, as shown.

References Cited UNITED STATES PATENTS Watanabe D2 615 A Mas D26l5 A Burgess D2615 A Parks 321--8 Mas 33692 BERNARD ANSHER, Primary Examiner

Images