Fold down exhaust stack for engines
United States Patent 3345092
US Patent References:
/0123314.html
- - 0123314

/0123896.html
- - 0123896

/0830182.html
- - 0830182

Housing for machinery
- - 1444020

Radiator cap for motor vehicles
- - 1471195


Inventors:
Athman, Coelestin F.
Athman, Virgil J.
Publication Date:
10/03/1967
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Assignee:
Athman, Coelestin F.
Athman, Virgil J.
Primary Class:
285/283
Other Classes:
403/110, 403/75, 403/93, 285/311, 403/33, 403/78, 180/89.200, 403/81
International Classes:
F01N7/18
US Patent References:
1991343Pipe coupling
2065715Convertible mast construction
2421178Clamp
2806708Collapsible hand truck
3063741Yielding joint for exhaust pipes