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Vacuum cleaner
US 2,314,081 A
Filed
: 12/02/1940
Issued
: 03/16/1943
Est. Priority Date
: 12/02/1940
Status: Expired due to Term
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0
Petitions
3
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0
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3 Citations
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Current Assignee
Dewey M. Dow
,
George D. Welles
Original Assignee
Dewey M. Dow
,
George D. Welles
Inventors
Dow, Dewey M.
,
Welles, George D.
Application Number
US02/368,110
Time in Patent Office
834 Days
Field of Search
US Class Current
15/373
CPC Class Codes
A47L 9/02
Nozzles suction nozzles for...
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