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Air cleaner
US 1,798,510 A
Filed
: 09/25/1924
Issued
: 03/31/1931
Est. Priority Date
: 09/25/1924
Status: Expired due to Term
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Current Assignee
Charles A. Winslow
,
Elbert J. Hall
Original Assignee
Charles A. Winslow
,
Elbert J. Hall
Inventors
Winslow, Charles A.
,
Hall, Elbert J.
Application Number
US02/739,961
Time in Patent Office
2,378 Days
Field of Search
US Class Current
55/426
CPC Class Codes
B04C 5/081
Shapes or dimensions
F02M 35/022
acting by gravity, by centr...
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