Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer and pipe coupling
Patent
1989-11-16
1990-08-21
Artis, Henry K.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
Combined strainer and pipe coupling
4207, 4286, 4DIG14, 210447, E03C 126
Patent
active
049494066
ABSTRACT:
A filter trap assembly of the type to be used in a sink or other similar plumbing facility and including an elongated vertical pipe section connected at an open end to the drain of a sink and including a closed end defining a liquid reservoir. A filter housing is disposed intermediate said open and closed ends and is structurally adapted to have a filter element removably disposed therein in interruptive relation to liquid flow passing along the length of said vertical pipe section from said open to said closed end in order to trap any solid materials therein.
REFERENCES:
patent: 1394762 (1921-10-01), Schuermann
patent: 1817376 (1931-08-01), Izquierdo
patent: 2690232 (1954-09-01), Brem
patent: 3552552 (1971-01-01), Johnston
patent: 3834539 (1974-09-01), Thompson
patent: 4051042 (1977-09-01), Tullier et al.
patent: 4082676 (1978-04-01), Dulger
patent: 4158897 (1979-06-01), Cocherel
patent: 4164048 (1979-08-01), Kampfer et al.
patent: 4179762 (1979-12-01), Barnhardt et al.
patent: 4609459 (1986-09-01), Hendrix
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