Liquid purification or separation – Structural installation – Grated inlet surface drain
Patent
1989-01-09
1990-07-24
Nozick, Bernard
Liquid purification or separation
Structural installation
Grated inlet surface drain
E30F 502
Patent
active
049431005
ABSTRACT:
A drain suitable for installation in a wooden floor comprises a body, a grate frame secured to the top of the body, a grate mounted in the frame and a projecting annular flange secured between the body and the grate frame for screw attachment to a deck of the floor.
REFERENCES:
patent: 1999277 (1935-04-01), Boosey
patent: 2284416 (1942-05-01), Gordon
patent: 2672205 (1954-03-01), McDonald
patent: 2859452 (1958-11-01), Seewack
patent: 3774765 (1973-11-01), Kane et al.
Enpoco Limited
Nozick Bernard
LandOfFree
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