Cooling fin with ripples

- McGraw Edison Company
Description

FIG. 1 is a perspective of the rippled cooling fin;

FIG. 2 is an enlarged fragmented perspective of the upper portion of the rippled cooling fin, shown for clarity of illustration;

FIG. 3 is a left end view of FIG. 1;

FIG. 4 is a front view of FIG. 1;

FIG. 5 is a top view of FIG. 1;

FIG. 6 is an enlarged cross section taken on line 6--6 of FIG. 4;

FIG. 7 is an enlarged cross section taken on line 7--7 of FIG. 4;

FIG. 8 is an enlarged cross section taken on line 8--8 of FIG. 4; and,

FIG. 9 is an enlarged cross section taken on line 9--9 of FIG. 4.

The surface(s) or portion(s) of the article not shown in the drawing or described in the specification form(s) no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D373625 September 10, 1996 Pereira
1816111 July 1931 De Ferranti et al.
2017201 October 1935 Bossart et al.
2819731 January 1958 Lothan
3119446 January 1964 Weiss
4209064 June 24, 1980 Cacalloro et al.
4413674 November 8, 1983 Avery et al.
4556758 December 3, 1985 Warden
4745966 May 24, 1988 Avery
5894884 April 20, 1999 Durian et al.
Foreign Patent Documents
649870 February 1951 GBX
Other references
  • Menk Apparatebau GMBH Catalog, dated Jul. 1984. Menk Corrugated Oil Tank Catalog, undated. Henrich Georg, GMBH Production Lines for Corrugated Tanks and Casings Catalog, undated. Metalfab, Inc. Enclosures for Transformers Catalog, undated.
Patent History
Patent number: D432639
Type: Grant
Filed: Jun 21, 1999
Date of Patent: Oct 24, 2000
Assignee: McGraw Edison Company (Houston, TX)
Inventors: Stewart William Durian (Waukesha, WI), Stephen Durian (Shawano, WI)
Primary Examiner: Mitchell Siegel
Law Firm: Fish & Richardson P.C.
Application Number: 0/106,613
Classifications
Current U.S. Class: Flow Director (29) (D23/387)
International Classification: 2399;