USD239387S - - Google Patents

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USD239387S
USD239387S US D239387 S USD239387 S US D239387S
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US
United States
Prior art keywords
insulating support
surface heater
electric surface
united states
sheathed electric
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United States Patent Des. 239,387
Patented Mar. 30, 1976 INSULATING SUPPORT FOR A SHEATHEI) ELECTRIC SURFACE HEATER Donald M. Cunningham. 2507 Greenshurg Pike.
Pittsburgh. Pa.
Filed Sept. 2|. I973, Ser. No. 399.379
Term of patent 14 years Int. Cl. l)23tij FIG. I is a perspective view of an insulating support for a sheathed electric surface heater showing my new design;
FIGS. 2 and 3 are top and bottom plan views, respectively: and
HO. 4 is a sectional view corresponding to the line 44 of FIG. 2.
[ claim:
The ornamental design for an insulating support for at sheathed electric surface heater substantially as shown.
References Cited UNITED STATES PATENTS 9/l923 Lamb 2l9*467 7, 197} Vodrarka h 219-4fi3 WALLACE R. BURKE Primary Examiner B J. BULLOCK. Assistant Examiner

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