Plastic drain assembly

Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer and pipe coupling

Patent

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Details

4292, 285 12, 285177, E03C 112, E03C 126

Patent

active

040670724

ABSTRACT:
An interfitting three part plastic drain assembly for use in the floors of shower baths and various types of drains which has a novel interfitting structure enabling it to be used with different sized pipes and to only use two of the parts where no waterproofing membrane is required.

REFERENCES:
patent: 2311708 (1943-02-01), Sundholm
patent: 2749999 (1956-06-01), Schmid
patent: 2783852 (1957-03-01), Sisk
patent: 3071781 (1963-01-01), Seewack
patent: 3420552 (1969-01-01), Mork
patent: 3742525 (1973-07-01), Oropallo
patent: 3795924 (1974-03-01), Kempler

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