Hearth vent and ash dump combination
United States Patent 2819711
US Patent References:
/0240035.html
- - 0240035

/0531678.html
- - 0531678

/1281902.html
- - 1281902

/1389516.html
- - 1389516

Control apparatus for furnace air
- - 2013704


Inventors:
Robinson, Albert P.
Publication Date:
01/14/1958
View Patent Images:
Assignee:
Robinson, Albert P.
Primary Class:
Other Classes:
126/242, 126/162, 126/542, 126/163R
International Classes:
F24B1/193; F24B1/00
Foreign References:
GB211628A
AU112561B