Propeller fan

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FIG. 1 is a front, bottom and right side perspective view of a propeller fan, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left view thereof;

FIG. 7 is a right view thereof; and,

FIG. 8 is an enlarged partial view of the area indicated in FIG. 1.

The portions shown in light grey in the drawings illustrate portions of the propeller fan that form no part of the claimed design.


The ornamental design for a propeller fan, as shown and described.

Referenced Cited
U.S. Patent Documents
D85067 September 1931 Sterrett
D419669 January 25, 2000 Shinshi
D602786 October 27, 2009 Moriya
D664410 July 31, 2012 Ritchie
D740680 October 13, 2015 Christian
D787035 May 16, 2017 Hamada
D803378 November 21, 2017 Hamada
20180003190 January 4, 2018 Hamada
Patent History
Patent number: D870260
Type: Grant
Filed: Jan 31, 2018
Date of Patent: Dec 17, 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: 29/635,500