Patent ID: 7244050

Claim:
A full cutoff luminaire comprising: a housing having a vertically mounted centrally located lamp holder forming a lamp region; at least two reflectors wherein said at least two reflectors has a first and second reflector, said first reflector substantially surrounds a central portion of said lamp region and said second reflector substantially surrounds an upper portion of said lamp region, said first and said second reflectors having surfaces substantially reflecting light from said lamp region directly to a predefined area below said full cutoff luminaire; at least one lens wherein said at least one lens has a first lens substantially surrounding a lower central portion of said lamp region, said first lens redirecting light from a lower portion of said lamp region directly to a predefined area below said full cutoff luminaire; and said first lens has a frustoconical sidewall having an inner surface, an outer surface, a top of a first circumference, and a bottom of a second circumference, said first circumference being greater than said second circumference, said bottom being enclosed with a disc shaped lens having a top surface and a bottom surface, said outer surface of said furstoconical sidewall has a partial fresnel lens with a convex facet at said top of said sidewall and a series of outwardly extending flat facets being interposed with depending convex facets.