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Publication numberUSD524227 S1
Publication typeGrant
Application numberUS 29/231,085
Publication dateJul 4, 2006
Filing dateMay 31, 2005
Priority dateMay 31, 2005
Publication number231085, 29231085, US D524227 S1, US D524227S1, US-S1-D524227, USD524227 S1, USD524227S1
InventorsBrandon Stille, Michael P. Strauss
Original AssigneeSikorsky Aircraft Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Rigid coaxial rotor unmanned helicopter with auxiliary propulsion
US D524227 S1
Abstract  available in
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  1. The ornamental design for a rigid coaxial rotor unmanned helicopter with auxiliary propulsion, as shown and described.

FIG. 1 is a perspective view of the rigid coaxial rotor unmanned helicopter with auxiliary propulsion;

FIG. 2 is another perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof.

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US7815482Aug 18, 2006Oct 19, 2010Silverlit Toys Manufactory, Ltd.Helicopter
US7883392Aug 4, 2008Feb 8, 2011Silverlit Toys Manufactory Ltd.Toy helicopter
US8002604Sep 18, 2008Aug 23, 2011Silverlit LimitedRemote controlled toy helicopter
US8052500Nov 25, 2008Nov 8, 2011Silverlit LimitedHelicopter with main and auxiliary rotors
US8308522Jan 29, 2010Nov 13, 2012Silverlit LimitedFlying toy
US8357023Aug 31, 2009Jan 22, 2013Silverlit LimitedHelicopter
US9120567Jun 11, 2012Sep 1, 2015Sikorsky Aircraft CorporationHigh speed compound rotary wing aircraft
US9505492Feb 23, 2012Nov 29, 2016Sikorsky Aircraft CorporationMission adaptive rotor blade
US20060158134 *Mar 14, 2006Jul 20, 2006Lighting Science Group CorporationElectronic light generating element light bulb
US20070181742 *Apr 17, 2007Aug 9, 2007Silverlit Toys Manufactory, Ltd.Flying object with tandem rotors
US20070221781 *Jun 14, 2007Sep 27, 2007Silverlit Toys Manufactory, Ltd.Helicopter
US20080076320 *Dec 10, 2007Mar 27, 2008Silverlit Toys Manufactory, Ltd.Toy Helicopter
US20080085653 *Dec 10, 2007Apr 10, 2008Silverlit Toys Manufactory, Ltd.Toy Helicopter
USD665720 *Jan 11, 2012Aug 21, 2012Sikorsky Aircraft CorporationRotary wing aircraft
U.S. ClassificationD12/327