Title:
Surface drain
United States Patent 2689017
US Patent References:
/0317153.html
- - 0317153

Drain-fitting
- - 1375222

Vent guard
- - 1577464

Conduit-cover clamp
- - 1661840

Floor drain
- - 1830065


Inventors:
Schmid, John H.
Publication Date:
09/14/1954
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Assignee:
J A ZURN MFG CO
Primary Class:
210/164
Other Classes:
210/188, 210/166, 138/39, 210/460
International Classes:
E04D13/04
US Patent References:
1976549Drain fixture for sinks
1991772Roof drain
2119923Cover and mounting for vents and the like
2142343Roof drain
2246390Valved floor drain
Foreign References:
SE108063A