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SWEEPER FOR CARPETED AND SMOOTH FLOORS
US 3,457,575 A
Filed
: 11/30/1966
Issued
: 07/29/1969
Est. Priority Date
: 12/23/1965
Status: Expired due to Term
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Current Assignee
Bienek Gunter
Original Assignee
Bienek Gunter
Inventors
BIENEK GUNTER
Application Number
US04/597,962
Time in Patent Office
972 Days
Field of Search
US Class Current
15/41.1
CPC Class Codes
A46B 13/001
Cylindrical or annular brus...
A47L 11/33
having means for storing dirt
A47L 11/4013
Contaminants collecting dev...
A47L 11/4041
Roll shaped surface treatin...
A47L 11/4066
Propulsion of the whole mac...
A47L 11/4069
Driving or transmission mea...
A47L 11/4075
Handles; levers
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