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Carpet scrubbing machine
US 2,842,788 A
Filed
: 01/27/1956
Issued
: 07/15/1958
Est. Priority Date
: 01/27/1956
Status: Expired due to Term
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32
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32 Citations
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Current Assignee
Harold M. Kelm
,
Harris, Herbert W.
,
Harry D. Rench
,
Loren R. Massie
Original Assignee
Harold M. Kelm
,
Harris, Herbert W.
,
Harry D. Rench
,
Loren R. Massie
Inventors
Rench, Harry D.
,
Harris, Herbert W.
,
Kelm, Harold M.
,
Massie, Loren R.
Application Number
US03/561,756
Time in Patent Office
900 Days
Field of Search
US Class Current
15/48
CPC Class Codes
A47L 11/325
Shampoo devices for carpet-...
A47L 11/40
Parts or details of machine...
A47L 11/4013
Contaminants collecting dev...
A47L 11/4041
Roll shaped surface treatin...
A47L 11/4069
Driving or transmission mea...
A47L 11/4075
Handles; levers
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