Explosion proof high intensity discharge lamp for mines or the like

- Control Products, Inc.
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Description

FIG. 1 is a perspective view of an explosion proof high intensity discharge lamp for mines or the like showing my new design;

FIG. 2 is a top view of FIG. 1 on an enlarged scale;

FIG. 3 is an end view of FIG. 2 as seen from the right;

FIG. 4 is an end view of FIG. 2 as seen from the left;

FIG. 5 is a view of the side opposite that shown in FIG. 1 on an enlarged scale; and

FIG. 6 is a perspective view of the end shown in FIG. 4.

Referenced Cited
U.S. Patent Documents
D244794 June 21, 1977 Dacal
2003342 June 1935 Cavanaugh
2391325 December 1945 Maurette
Foreign Patent Documents
819,819 September 1959 GBX
Other references
  • Lighting, Apr. 1957, p. 50 - Fluorescent Lamp for Mines.
Patent History
Patent number: D250289
Type: Grant
Filed: Dec 14, 1976
Date of Patent: Nov 14, 1978
Assignee: Control Products, Inc. (Beckley, WV)
Inventor: Perfecto Dacal (Beckley, WV)
Primary Examiner: Susan J. Lucas
Attorney: William E. Lucas
Application Number: 5/751,023
Classifications
Current U.S. Class: D48/20E
International Classification: D2605;