Title:
Surface drain
United States Patent 2837212
US Patent References:
Double-drainage roof-drain and sediment-cup
- - 1348945

Drain connection
- - 1836491

Roof drain
- - 1991772

Surface drain
- - 2328315

Floor drain fixture
- - 2490075


Inventors:
Schmid, John H.
Publication Date:
06/03/1958
View Patent Images:
Assignee:
J A ZURN MFG CO
Primary Class:
Other Classes:
210/165, 210/247
International Classes:
E04D13/04
US Patent References:
2599205Roof drain
2695677Surface drain
Foreign References:
DE236391C
DE332154C