Title:
Classifying apparatus
United States Patent 2860776


Inventors:
Hays, Donald F.
Application Number:
US41626854A
Publication Date:
11/18/1958
Filing Date:
03/15/1954
Assignee:
GEN MOTORS CORP
Primary Class:
Other Classes:
494/26, 494/44, 494/60, 494/74, 494/900
International Classes:
B04B1/00
View Patent Images:
US Patent References:
1595259Cyclone classifier1926-08-10
1480685Dust collector1924-01-15
Foreign References:
DE241180C