Illumination – Light modifier – Refractor
Patent
1977-11-30
1979-05-08
Birmiel, Howard A.
Illumination
Light modifier
Refractor
362 80, 362337, 362367, 362300, F21V 504, F21V 1300, B60Q 130
Patent
active
041539281
ABSTRACT:
A lens assembly for a motor vehicle tail lamp assembly that gives the latter the appearance of a substantially black lighting unit. The lens assembly includes an inner lens and an outer lens each of which is formed with horizontally extending V-shaped ribs with the outer lens being made of a neutral density plastic material while the inner lens is made of a colored plastic material and has each rib thereof consisting of a substantially horizontally oriented portion and an inclined portion.
REFERENCES:
patent: 1310378 (1916-12-01), Strauss
patent: 3487206 (1969-12-01), Dawson et al.
patent: 3514589 (1970-05-01), Huber
patent: 4041302 (1977-08-01), Koljonen
Birmiel Howard A.
Biskup E. J.
General Motors Corporation
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