Protective lamp-shade

Details Protective lamp-shade Protective lamp-shade

1993-04-01

1994-03-01

Husar, Stephen F.

Illumination

Modifier mountable on light source envelope

362260, 362377, 362348, F21M 314

Patent

active

052913791

ABSTRACT:
Disclosed is a protective lamp-shade consisted of a cylindrical shell molded from polycarbonate resin, and two silicone rubber end caps mounted on the lamp tube of a lamp assembly at two opposite ends to hold the cylindrical shell in place, wherein the cylindrical shell has parallel teeth around the inside or outside wall to refract the light of the lamp tube of the lamp assembly, and is peripherally and partially coated with a layer of white zinc coating along its length for reflecting the light of the lamp tube of the lamp assembly.

REFERENCES:
patent: 2467096 (1949-04-01), Ressinger
patent: 4924368 (1990-05-01), Nothrop et al.
patent: 5188451 (1993-02-01), Shanks

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