Propeller fan
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Description
The portions shown in light grey in the drawings illustrate portions of the propeller fan that form no part of the claimed design.
Claims
The ornamental design for a propeller fan, as shown and described.
Referenced Cited
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Patent History
Patent number: D870877
Type: Grant
Filed: Jan 31, 2018
Date of Patent: Dec 24, 2019
Assignee: Mitsubishi Electric Corporation (Tokyo)
Inventors: Takuya Teramoto (Tokyo), Takashi Ikeda (Tokyo), Yusuke Adachi (Tokyo), Yuki Ugajin (Tokyo), Shingo Hamada (Tokyo), Hiroya Ito (Tokyo)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/635,497
Type: Grant
Filed: Jan 31, 2018
Date of Patent: Dec 24, 2019
Assignee: Mitsubishi Electric Corporation (Tokyo)
Inventors: Takuya Teramoto (Tokyo), Takashi Ikeda (Tokyo), Yusuke Adachi (Tokyo), Yuki Ugajin (Tokyo), Shingo Hamada (Tokyo), Hiroya Ito (Tokyo)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/635,497
Classifications