USD189668S - Adjustable electric power supply - Google Patents

Description

Des. 189,668 Patented Jan. 31, 1961 United States Patent Ofificc ADJUSTABLE ELECTRIC POWER SUPPLY Eric W. Vaughan, Brist 01, Conn., assignor to The Superior Electric Company, Bristol, C0nn., a corporation of Connecticut Filed Apr. 6, 1959, Ser. No. 55,358

Term of patent 14 years igam 5;? :5 =2 S L Q E L 2:: Q m g 5% $35: g g 3 g I ll Ii In Des. 189,668

PAGE 2 Figure 1 is a front elevational view of an adjustable I claim: electric power suppl gn;

y, showing my new desi The ornamental design for an adjustable electric power Fig. 2 is a rear elevational view; supply, as shown and described.

Fig. 3 is a top plan view;

Fig. 4 is a side elevational view, the opposite side he References Cited in the file of this Patent ing substantially a mirror image thereof; and

UNITED STATES PATENTS ad h S E c N E R E F E R R m T 0 m e o a n m w m .m m mo c mm m .e 0 Mb gr .m m e g n m m HE r. wa m m .m w m c m m0 c m Ma 56 with to extend continuously along the cylindrical units, Powerstat Variable Transf said h The Superior Electric Co.

page 6 ormers, Bulletin P-550 of Bristol type ll63; page 9, whole Conn., in 1950, page.

ousing being narrower than and projecting a substantial distance outwardly from the cylindrical units.

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