Liquid filled cooling fin with reinforcing ribs

- McGraw-Edison Company
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Description

FIG. 1 is a top plan view of a liquid filled cooling fin with reinforcing ribs; the bottom is hidden from view in use, and includes no ornamental design;

FIG. 2 is a reduced end elevational view thereof, the end opposite being a mirror image;

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 4 is a top plan view of a second embodiment of the design of FIG. 1, the only difference being the extension of the ribs; the bottom is hidden from view in use, an includes no ornamental design;

FIG. 5 is a reduced side elevational view of FIG. 4;

FIG. 6 is an end elevational view of a third embodiment of the design of FIG. 1, the only difference being the number of ribs;

FIG. 7 is a side elevational view of FIG. 6, the side opposite being a mirror image; and,

FIG. 8 is a side elevational view of a fourth embodiment of the design of FIG. 1, the only difference being the number and extension of the ribs, the side opposite being a mirror image.

The broken line(s) which define the bounds of the claimed design form no part thereof.

Referenced Cited
U.S. Patent Documents
1816111 July 1931 De Ferranti et al.
2017201 October 1935 Bossart et al.
4745966 May 24, 1988 Avery
Patent History
Patent number: D431073
Type: Grant
Filed: Nov 18, 1997
Date of Patent: Sep 19, 2000
Assignee: McGraw-Edison Company (Houston, TX)
Inventors: Stewart W. Durian (Waukesha, WI), Stephen Durian (Shawano, WI)
Primary Examiner: B. J. Bullock
Law Firm: Fish & Richardson P.C.
Application Number: 0/79,897