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Beater for vacuum cleaners
US 1,919,067 A
Filed
: 10/07/1932
Issued
: 07/18/1933
Est. Priority Date
: 10/07/1932
Status: Expired due to Term
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0
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0
Product Citations
0
Petitions
18
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0
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18 Citations
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Current Assignee
Henry A. Kroenlein
,
Henry T. Lang
Original Assignee
Henry A. Kroenlein
,
Henry T. Lang
Inventors
Lang, Henry T.
,
Kroenlein, Henry A.
Application Number
US02/636,690
Time in Patent Office
284 Days
Field of Search
US Class Current
15/383
CPC Class Codes
A47L 9/0477
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