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Vacuum cleaner
US 2,594,456 A
Filed
: 10/16/1948
Issued
: 04/29/1952
Est. Priority Date
: 10/16/1948
Status: Expired due to Term
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Current Assignee
Henry A. Kroenlein
Original Assignee
Henry A. Kroenlein
Inventors
Kroenlein, Henry A.
Application Number
US03/054,976
Time in Patent Office
1,291 Days
Field of Search
US Class Current
55/296
CPC Class Codes
A47L 9/20
Means for cleaning filters
A47L 9/26
Incorporation of winding de...
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