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Suction cleaner coupling
US 2,159,116 A
Filed
: 03/25/1937
Issued
: 05/23/1939
Est. Priority Date
: 03/25/1937
Status: Expired due to Term
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Current Assignee
Robert M. Zacharias
Original Assignee
Robert M. Zacharias
Inventors
Zacharias, Robert M.
Application Number
US02/133,009
Time in Patent Office
789 Days
Field of Search
US Class Current
285/7
CPC Class Codes
A47L 9/1427
Means for mounting or attac...
Y10S 55/26
Bag coupling
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