Heat radiation plate
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FIG. 1 is an end elevational view of heat radiation plate, showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is an enlarged sectional view taken along line 6--6 of FIG. 2;
FIG. 7 is an enlarged sectional view taken along line 7--7 of FIG. 2;
FIG. 8 is an end elevational view of a second embodiment of a heat radiation plate;
FIG. 9 is a front elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a right side elevational view thereof;
FIG. 12 is a left side elevational view thereof;
FIG. 13 is an enlarged sectional view taken along line 13--13 of FIG. 9;
FIG. 14 is an enlarged sectional view taken along line 14--14 of FIG. 9;
FIG. 15 is an end elevational view of a third embodiment of a heat radiation plate;
FIG. 16 is a front elevational view thereof;
FIG. 17 is a rear elevational view thereof;
FIG. 18 is a right side elevational view thereof;
FIG. 19 is a left side elevational view thereof;
FIG. 20 is an enlarged sectional view thereof; and
FIG. 21 is an enlarged sectional view taken along line 21--21 of FIG. 16.
The length of the design as seen in the front and rear views is arbitrary and can be longer than that shown with longer plates having repetitions of the illustrated design elements.
D221853 | September 1971 | Kimura |
2994123 | August 1961 | Kritzer |
0056598 | April 1980 | JPX |
0099691 | June 1983 | JPX |
Type: Grant
Filed: Sep 18, 1985
Date of Patent: Mar 14, 1989
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Kiyoshi Sakuma (Fujieda), Yoshiaki Tanimura (Shizuoka), Hiroyuki Umemura (Shizuoka), Makoto Yamada (Shizuoka), Ikuo Tsukamoto (Shizuoka), Yu Seshimo (Amagasaki), Masao Fujii (Takarazuka)
Primary Examiner: Susan J. Lucas
Law Firm: Oblon, Fisher, Spivak, McClelland & Maier
Application Number: 6/777,297