71562000
Jul 23, 1948
May 18, 1954
AMERICAN AIR FILTER COMPANY INC.
Active Trademark
CENTRIFUGAL DUST SEPARATORS (A) OF THE DYNAMIC PRECIPITATOR TYPE WHEREIN A BLOWER CREATES AN AIR FLOW AND SEPARATES THE DUST THEREFROM, AND (B) OF THE HYDROSTATIC PRECIPITATOR TYPE WHEREIN THE AIR STREAM PROPELS A CONTINUOUS STREAM OF WATER FROM A LIQUID BATH THROUGH THE AIR CLEANING PASSAGE BACK INTO THE BATH
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