Electric air conditioner for electronic enclosures

Latest McLean Engineering Midwest Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of an electric air conditioner for electronic enclosures, showing my new design;

FIG. 2 is a front elevational view thereof, the rear being plain and unornamented;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D173531 November 1954 Halbeisen
D176137 November 1955 Jenks
D238278 December 1975 Baker, Jr.
3018642 January 1962 Lathrop
3097506 July 1963 Blakesley, Sr.
3128610 April 1964 Moore
3308634 March 1967 Smith
3313122 April 1967 Laing
3548611 December 1970 Olich
3635046 January 1972 Sato et al.
3742725 July 1973 Berger
3871188 March 1975 Vold et al.
Patent History
Patent number: D252705
Type: Grant
Filed: Mar 10, 1977
Date of Patent: Aug 21, 1979
Assignee: McLean Engineering Midwest (Maple Grove, MN)
Inventor: Herman S. Fessler (Coon Rapids, MN)
Primary Examiner: James R. Largen
Attorney: Henry C. Kovar
Application Number: 5/776,149
Classifications
Current U.S. Class: D23/144
International Classification: D2304;