Waterproof muffler for vertical exhausts
United States Patent 2721619
US Patent References:
/0830660.html
- - 0830660
/0990686.html
- - 0990686
/1291271.html
- - 1291271
Sound-deadening device
- - 1774178
Muffler
- - 1845015
/0830660.html
- - 0830660
/0990686.html
- - 0990686
/1291271.html
- - 1291271
Sound-deadening device
- - 1774178
Muffler
- - 1845015
Inventors:
Cheairs, Alpha G.
Publication Date:
10/25/1955
View Patent Images:
Export Citation:
Assignee:
Cheairs, Alpha G.
Primary Class:
Other Classes:
55/385.500, 55/385.300, 181/265
International Classes:
F01N7/08
US Patent References:
| 2363236 | Air-cooled muffler |
Foreign References:
| GB190400450A | ||||
| DE492183C | ||||
| GB388323A |