Waste trap

Details Waste trap Waste trap

2007-01-02

2007-01-02

Phillips, Charles E. (Department: 3751)

Baths, closets, sinks, and spittoons

Drain, overflow or trap for a sink or bath

C137S247350

Reexamination Certificate

active

10624202

ABSTRACT:
A waste trap10for use in plumbing installations is provided, the trap comprising a unitary metal body12defining an interior volume, and having a tubular plastics insert20located in an inlet14of the body12and extending into the volume to below the height of a waste outlet16. The insert20partitions the upper portion of the volume into two regions, and serves to provide a water seal between the inlet14and the outlet16when the trap is in use. The insert is non-removably secured to the body.

REFERENCES:
patent: 294489 (1884-03-01), McCloskey
patent: 340202 (1886-04-01), Edwards
patent: 1751877 (1930-03-01), Nance
patent: 1958712 (1934-05-01), Nance
patent: 3651826 (1972-03-01), Kojima
patent: 4158897 (1979-06-01), Cocherel
patent: 4244061 (1981-01-01), Webster et al.
patent: 5039135 (1991-08-01), Palmer
patent: 2004/0177439 (2004-09-01), Nunez
patent: 856064 (1960-12-01), None
patent: 1220 982 (1971-01-01), None
patent: 2 070 093 (1981-09-01), None

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