Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1979-12-05
1981-01-27
Footland, Lenard A.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
4211, 4DIG7, 285153, E03C 1122
Patent
active
042466644
ABSTRACT:
Plumbing systems for routing wastes from a plurality of plumbing fixtures to a sewer, and for venting gases from the plumbing fixtures to the atmosphere. Also, plumbing fittings for use in such plumbing systems.
REFERENCES:
patent: 368508 (1887-08-01), Bishop
patent: 3495281 (1970-02-01), Palowsky
patent: 3620246 (1971-11-01), Shoquist
patent: 3711128 (1973-01-01), Hezel et al.
patent: 3938201 (1976-02-01), McGrew
patent: 4038737 (1977-08-01), Bretone
patent: 4073018 (1978-02-01), Arrowood
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