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Electrically propelled household device
US 3,061,858 A
Filed
: 12/31/1959
Issued
: 11/06/1962
Est. Priority Date
: 07/22/1955
Status: Expired due to Term
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Current Assignee
Clara A. Dostal
,
Frank Dostal
Original Assignee
Clara A. Dostal
,
Frank Dostal
Inventors
Dostal, Clara A.
,
Dostal, Frank
Application Number
US03/863,245
Time in Patent Office
1,041 Days
Field of Search
US Class Current
15/52.1
CPC Class Codes
A01D 76/003
Hand-operated wheeled rakes...
A47L 11/18
the tools being roll brushes
A47L 11/40
Parts or details of machine...
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
A47L 5/28
Suction cleaners with handl...
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