Translucent building blocks

Details Translucent building blocks Translucent building blocks

1974-02-25

1976-05-04

Hix, L. T.

52306, E04C 142

Patent

active

039543269

ABSTRACT:
A hollow building block of transparent material comprises four perpendicular walls defining a rectangle, and a partition wall extending obliquely with respect to a plane at right angles to said perpendicular walls, said partition wall forming a boundary of a hollow space within said building block for containing liquid and the arrangement being such that when said hollow space is partially filled with a transparent liquid, light incident upon one of said perpendicular walls of the block can be reflected through said block by total internal reflection at a portion of said oblique wall immersed in said liquid.

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patent: 1949898 (1934-03-01), Cochrane et al.
patent: 2158089 (1939-05-01), Slick
patent: 2162160 (1939-06-01), Cooley et al.
patent: 2163454 (1939-06-01), Slick
patent: 2179862 (1939-11-01), Rolph
patent: 2226220 (1940-12-01), Cox
patent: 2844998 (1958-07-01), Vincent
patent: 3059537 (1962-10-01), Walli
patent: 3252260 (1966-05-01), Mills
patent: 3471221 (1969-10-01), Seeger

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