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Suction cleaner motor protective construction
US 2,839,156 A
Filed
: 09/21/1956
Issued
: 06/17/1958
Est. Priority Date
: 09/21/1956
Status: Expired due to Term
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Current Assignee
Martinec, Eugene F.
Original Assignee
Martinec, Eugene F.
Inventors
Martinec, Eugene F.
Application Number
US03/611,280
Time in Patent Office
634 Days
Field of Search
US Class Current
96/404
CPC Class Codes
A47L 5/365
of the vertical type, e.g. ...
A47L 9/2842
Suction motors or blowers
A47L 9/2857
User input or output elemen...
A47L 9/2889
Safety or protection device...
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