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Electric cleaning device
US 1,536,687 A
Filed
: 08/11/1921
Issued
: 05/05/1925
Est. Priority Date
: 08/11/1921
Status: Expired due to Term
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Current Assignee
Charles C. Oatey
Original Assignee
Charles C. Oatey
Inventors
Oatey, Charles C.
Application Number
US02/491,540
Time in Patent Office
1,363 Days
Field of Search
US Class Current
15/50.3
CPC Class Codes
A47L 11/185
with supply of cleaning agents
A47L 11/4041
Roll shaped surface treatin...
A47L 11/4069
Driving or transmission mea...
A47L 11/4072
Arrangement of castors or w...
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