USD221853S - Heat radiation plate - Google Patents

Description

Patented Sept. 14, 1971 HEAT RADIATION PLATE Keiichi Ki a, 2-304 Osakabe, Yaoshi,

sakafu, Japan Filed Dec. 31, 1969, Ser. No. 20,722

Term of patent 14 years Int. Cl. D2303 US. Cl. D23127 0 i Q. Q O, Q O C) ms O & O 0 O i O 0 O 0 O 0 Dne- 221,853

FIG. 1 is a plan view of a heat radiation plate showing my new design;

FIG. 2 is a plan view of the reverse side thereof;

FIG. 3 is a cross-sectional view taken on line 33 of FIG. 1;

FIG. 4 is an end elevational view thereof;

FIG. 5 is a left hand side elevational view thereof;

FIG. 6 is a right hand side elevational view thereof;

FIG. 7 is a perspective view thereof.

The stippling shown on the heat radiation plate in FIG. 7 is omitted in FIGS. 1 through 6 for convenience of illustration.

I claim:

The ornamental design for a heat radiation plate, as shown.

References Cited UNITED STATES PATENTS D. 67,523 6/1925 Irons D131 D. 88,836 12/1932 Wheeler D131 1,918,149 7/1933 Sullivan.

FOREIGN PATENTS 4,977 1895 Great Britain D542.2

WALLACE R. BURKE, Primary Examiner S. J. MERCER, Assistant Examiner

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