Encapsulated lamp ballast enclosure

- McGraw-Edison Company
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Description

FIG. 1 is a perspective view of the encapsulated lamp ballast enclosure of my design showing the top, front and one side wall;

FIG. 2 is a top plan view of the ballast enclosure of FIG. 1;

FIG. 3 is a front elevational view of the ballast enclosure of FIG. 1;

FIG. 4 is a side elevational view of the ballast enclosure of FIG. 1; and

FIG. 5 is a bottom plan view of the ballast enclosure of FIG. 1.

Referenced Cited
U.S. Patent Documents
2876424 March 1959 Stiler
2878425 March 1959 Kudoh
3015682 January 1962 Cheske
3197545 July 1965 Moore
Other references
  • Electrical Consultant, 8-1970, p. 17, GE luminaire ballast.
Patent History
Patent number: D251326
Type: Grant
Filed: Jan 17, 1977
Date of Patent: Mar 13, 1979
Assignee: McGraw-Edison Company (Elgin, IL)
Inventor: Paul J. Kristofek (Hickory Hills, IL)
Primary Examiner: Susan J. Lucas
Attorney: Ronald J. La Porte
Application Number: 5/759,750
Classifications
Current U.S. Class: D48/14
International Classification: D2699;