Explosion proof fluorescent lamp for mines or the like

- Control Products Inc.
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Description

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

FIGS. 2 and 3 are perspective views or further embodiments of my design;

FIGS. 4 and 5 are respectively right and left end elevational views common to all embodiments on an enlarged scale;

FIGS. 6, 7 and 8 are respectively top, side and bottom views of the embodiment shown in FIG. 1 on an enlarged scale.

The conduits for electrical conductors are shown in broken lines in FIGS. 1, 2 and 3 for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D140504 March 1945 Gleason
2161621 June 1939 Fernandez
2392202 January 1946 Tornblom
2492852 December 1949 Fine
3348039 October 1967 Schrage et al.
3675006 July 1972 Zagel et al.
Patent History
Patent number: D244794
Type: Grant
Filed: May 24, 1976
Date of Patent: Jun 21, 1977
Assignee: Control Products Inc. (Beckley, WV)
Inventor: Perfecto Dacal (Beckley, WV)
Primary Examiner: Susie J. Mercer
Attorney: William E. Lucas
Application Number: 5/689,596
Classifications
Current U.S. Class: D48/20E
International Classification: D2605;