Title:
Multi-rotor ceiling fan
United States Patent D717934


Inventors:
Chen, Chia-teh (Taipei, TW)
Application Number:
29/456484
Publication Date:
11/18/2014
Filing Date:
05/31/2013
Assignee:
CHEN CHIA-TEH
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/377, D23/370-376, D23/378-385, D23/411-414, D23/386-394, D23/499, D12/327, D26/59, D26/51, D26/63, D26/72-74, D26/79-86, D26/88, D26/90, D26/118, 416/5, 416/99, 416/110, 416/170R, 416/214R, 416/184, 416/206, 416/207, 416/210R, 416/220R, 416/244R, 416/248, 392/364
View Patent Images:
US Patent References:
20130045103CEILING FANFebruary, 2013Iwamoto et al.416/170R
D650056Aroma diffuserDecember, 2011LiD23/366
D646372Combined twin ceiling fan and lightOctober, 2011Love et al.D23/377
D638926Fan assemblyMay, 2011FramptonD23/411
D636480Fan assemblyApril, 2011FramptonD23/377
D617888Dual-head ceiling fanJune, 2010Roo et al.D23/377
D599458Combined ceiling fan and lightSeptember, 2009Love et al.D23/377
D599461Ceiling fanSeptember, 2009ErtzeD23/377
D597649Fan assemblyAugust, 2009FramptonD23/377
D595834Fan assemblyJuly, 2009FramptonD23/411
D594547Fan assemblyJune, 2009FramptonD23/411
D581037FanNovember, 2008Dyson et al.D23/377
D576265Combined ceiling fan and lightSeptember, 2008Bucher et al.D23/377
D562967Ceiling fan housingFebruary, 2008PickettD23/411
7229255Fan with driving gearJune, 2007Gajewski et al.417/53
D532902Ceiling fan housingNovember, 2006PanD23/411
D526712Ceiling fanAugust, 2006Hidalgo et al.D23/377
7077629Multi-fan assemblyJuly, 2006Chen416/99
D523138Ceiling fan motor housingJune, 2006BurnsD23/411
7052242Multi-fan assembly comprising a servomotor driven vertical oscillation means for each fanMay, 2006Chen417/423.3
D519204Fan deviceApril, 2006Spina et al.D23/411
D508120Ceiling fan having four fansAugust, 2005ChenD23/377
6913443Oscillating means for multi-fan assemblyJuly, 2005Chen416/99
D507342Ceiling fan housingJuly, 2005ChenD23/377
D506002Two motor fanJune, 2005ChenD23/377
D506821Ceiling fan housingJune, 2005ChenD23/377
20040247427CEILING FAN WITH MULTIPLE ROTORSDecember, 2004Chen415/61
6817830Ceiling fan with multiple rotorsNovember, 2004Chen415/60
D495411Ceiling fan housingAugust, 2004ChenD23/377
D489443Combination ceiling fan housing and rotatable arms unitMay, 2004GajewskiD23/377
D490146Combination ceiling fan and light fixtureMay, 2004GajewskiD23/377
20040081564ELECTROMAGNETIC DEVICE CAPABLE OF CONTROLLING THE REVOLVING SPEED OF A MULTI-FAN ASSEMBLYApril, 2004Chen417/326
6722859Electromagnetic device capable of controlling the revolving speed of a multi-fan assemblyApril, 2004Chen417/326
D485608Multi-rotor ceiling fanJanuary, 2004ChenD23/377
D480133Combined motor housing, support rod and canopy for a multi-rotor ceiling fanSeptember, 2003ChenD23/411
D478975Ceiling fanAugust, 2003GajewskiD23/377
D461888Ceiling fan blades systemAugust, 2002FramptonD23/413
D460817Ceiling fan blades unitJuly, 2002FramptonD23/413
D456073Ceiling fan blades unitApril, 2002FramptonD23/413
D448840Combined ceiling fan and light fixtureOctober, 2001GajewskiD23/377
D094686N/AFebruary, 1935Guild et al.D26/88
1334781Air-current-producing meansMarch, 1920Morse74/412R
1270832REVOLVING FAN.July, 1918Jennings416/110
1226076REVOLVING FAN.May, 1917Jennings416/110
1224218MEANS FOR PRODUCING AIR-CURRENTS.May, 1917Scheibe416/110
1094540FAN.April, 1914Dilg416/110



Primary Examiner:
Hattan, Susan Bennett
Assistant Examiner:
Horse, Marie Fast
Attorney, Agent or Firm:
Li & Cai Intellectual Property (USA) Office
Claims:
CLAIM

1. The ornamental design for a “multi-rotor ceiling fan,” as shown and described.

Description:

FIG. 1 is a perspective view of a multi-rotor ceiling fan showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top view showing the practical usage thereof.

The broken lines depict portions of the multi-rotor ceiling fan which form no part of the claimed design.