Multi-rotor ceiling fan
Description
The broken lines depict portions of the multi-rotor ceiling fan which form no part of the claimed design.
Claims
The ornamental design for a “multi-rotor ceiling fan,” as shown and described.
Referenced Cited
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Patent History
Patent number: D717934
Type: Grant
Filed: May 31, 2013
Date of Patent: Nov 18, 2014
Inventor: Chia-Teh Chen (Taipei)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Marie Fast Horse
Application Number: 29/456,484
Type: Grant
Filed: May 31, 2013
Date of Patent: Nov 18, 2014
Inventor: Chia-Teh Chen (Taipei)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Marie Fast Horse
Application Number: 29/456,484
Classifications
Current U.S. Class:
Blade Unit Rotates On Vertical Axis (D23/377)