Title:
Portable signal light
United States Patent 2492837
Inventors:
Briggs, Eugene C.
Publication Date:
12/27/1949
Export Citation:
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Assignee:
EMARCO CORP
Primary Class:
340/331
Other Classes:
200/184, 220/762, 220/772, 292/246, 336/90, 340/473, 361/270, 362/194
International Classes:
F21S9/02; F21V15/02; F21V21/40; F21V23/04; H01H35/02; F21V5/02; F21V15/04; F21S9/00; F21V15/00; F21V21/40; F21V23/04; H01H35/02; F21V5/00
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US Patent References:
2263518Safety water light
2082572Discharge tube flasher
1951431Traffic signal