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Publication numberUSD583297 S1
Publication typeGrant
Application numberUS 29/296,934
Publication dateDec 23, 2008
Filing dateOct 31, 2007
Priority dateOct 31, 2007
Publication number29296934, 296934, US D583297 S1, US D583297S1, US-S1-D583297, USD583297 S1, USD583297S1
InventorsAlexander Jozef Magdalena Van de Rostyne, Chi Pok Billy Wai
Original AssigneeSilverlit Toys Manufactory Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Helicopter rotors
US D583297 S1
Abstract  available in
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  1. The ornamental design for helicopter rotors, as shown and described.

FIG. 1 is a side elevation view of helicopter rotors, showing our new design;

FIG. 2 is an elevation of the side opposite that shown in FIG. 1;

FIG. 3 is a top perspective view thereof; and,

FIG. 4 is a top perspective view thereof.

Broken lines are for illustrative purposes only and form no part of the claimed design.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7662013Jan 26, 2007Feb 16, 2010Silverlit Toys Manufactory Ltd.Helicopter with horizontal control
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
US8308522Jan 29, 2010Nov 13, 2012Silverlit LimitedFlying toy
US8357023Aug 31, 2009Jan 22, 2013Silverlit LimitedHelicopter
US20080299867 *Aug 7, 2008Dec 4, 2008Silverlit Toys Manufactory, Ltd.Flying object with tandem rotors
US20090047862 *Nov 4, 2008Feb 19, 2009Silverlit Toys Manufactory, Ltd.Flying object with tandem rotors
US20090163110 *Mar 11, 2009Jun 25, 2009Silverlit Toys Manufactory Ltd.Remote controlled toy helicopter
USD669012 *Dec 22, 2011Oct 16, 2012Pegasus Helicopter, Inc.High efficiency hub for pressure jet helicopters
U.S. ClassificationD12/345