Title:
Drop bottom mine car
United States Patent 2542437
US Patent References:
/0470334.html
- - 0470334

/0830916.html
- - 0830916

Drop-bottom dump car
- - 1607035

Drop bottom mine car
- - 2012114

Drop bottom mine car
- - 2092801


Inventors:
Shields, Robert A.
Kepner, Robert C.
Publication Date:
02/20/1951
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Assignee:
AMERICAN CAR & FOUNDRY CO
Primary Class:
105/253
Other Classes:
105/364
International Classes:
B61D7/16; B61D7/00
US Patent References:
2250538High capacity drop bottom car
2250555Drop bottom mine car