Control unit for an electronic air cleaner

- Masco Corporation
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Description

FIG. 1 is a perspective view taken from the top, front and left side of a control unit for an electronic air cleaner showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a rear elevational view.

Referenced Cited
U.S. Patent Documents
3438180 April 1969 Klouda
3745750 July 1973 Arff
3989486 November 2, 1976 Baysinger
4007024 February 8, 1977 Sallee et al.
Other references
  • Fuel Oil & Oil Heat, Jul. 1962, p. 8.
Patent History
Patent number: D269996
Type: Grant
Filed: Jul 23, 1981
Date of Patent: Aug 2, 1983
Assignee: Masco Corporation (Taylor, MI)
Inventors: Todd T. Smith (Phoenix, AZ), James M. Fowler, Jr. (Houston, TX)
Primary Examiner: James R. Largen
Attorney: Leon E. Redman
Application Number: 6/285,970
Classifications
Current U.S. Class: D23/149
International Classification: D2304;