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Floor washing machine
US 2,088,246 A
Filed
: 07/31/1935
Issued
: 07/27/1937
Est. Priority Date
: 07/31/1935
Status: Expired due to Term
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Current Assignee
Nickolai Nelson
Original Assignee
Nickolai Nelson
Inventors
NICKOLAI NELSON
Application Number
US02/034,076
Time in Patent Office
727 Days
Field of Search
US Class Current
15/51
CPC Class Codes
A47L 11/29
Floor-scrubbing machines ch...
A47L 11/40
Parts or details of machine...
A47L 11/4016
specially adapted for colle...
A47L 11/4047
Wound-up or endless cleanin...
A47L 11/4069
Driving or transmission mea...
A47L 11/4083
Liquid supply reservoirs; P...
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