Title:
Three-way, all-purpose drain
United States Patent 2666493
US Patent References:
/0998667.html
- - 0998667
Floor drain
- - 1448769
Roof sump or floor drain
- - 1999277
Roof drain
- - 2121220
Waste trap
- - 2242192
/0998667.html
- - 0998667
Floor drain
- - 1448769
Roof sump or floor drain
- - 1999277
Roof drain
- - 2121220
Waste trap
- - 2242192
Inventors:
Arthur, Gordon
Publication Date:
01/19/1954
View Patent Images:
Export Citation:
Assignee:
Arthur, Gordon
Primary Class:
Other Classes:
210/497.300
International Classes:
E04D13/04
US Patent References:
| 2284416 | Roof drain |