Mixer impeller
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Description
The broken lines showing the remainder of the mixer impeller are for environmental purposes only and form no part of the claimed design.
Claims
We claim the ornamental design for a mixer impeller, as shown and described.
Patent History
Patent number: D681690
Type: Grant
Filed: Aug 20, 2012
Date of Patent: May 7, 2013
Assignee: Outotec Oyj
Inventors: Jiliang Xia (Pori), Tuomas Hirsi (Helsinki), Niclas Tylli (Veikkola)
Primary Examiner: Mark Goodwin
Application Number: 29/429,969
Type: Grant
Filed: Aug 20, 2012
Date of Patent: May 7, 2013
Assignee: Outotec Oyj
Inventors: Jiliang Xia (Pori), Tuomas Hirsi (Helsinki), Niclas Tylli (Veikkola)
Primary Examiner: Mark Goodwin
Application Number: 29/429,969
Classifications