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Vacuum cleaner
US 2,101,575 A
Filed
: 12/04/1935
Issued
: 12/07/1937
Est. Priority Date
: 12/04/1935
Status: Expired due to Term
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3
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1
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Current Assignee
Dewey M. Dow
Original Assignee
Dewey M. Dow
Inventors
Dow, Dewey M.
Application Number
US02/053,619
Time in Patent Office
734 Days
Field of Search
US Class Current
15/366
CPC Class Codes
A47L 5/26
with driven dust-loosening ...
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