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Espace
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Patent
D552531
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Priority
Jan 19 2006
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Filed
Mar 05 2007
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Issued
Oct 09 2007
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Expiry
Oct 09 2021
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Assg.orig
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Entity
unknown
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21
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22
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n/a
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The ornamental design for a helicopter propeller, as shown and described.
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FIG. 1 is a top view of a helicopter propeller;
FIG. 2 is a side view of the helicopter propeller;
FIG. 3 is a perspective side view of the helicopter propeller; and,
FIG. 4 is an opposite perspective side view of the helicopter propeller.
Broken lines are for illustrative purposes only and form no part of the claimed design.
Van de Rostyne, Alexander Jozef Magdalena, Wai, Chi Pok Billy
| Patent |
Priority |
Assignee |
Title |
| 7422505, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Toy helicopter |
| 7425167, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Toy helicopter |
| 7425168, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Toy helicopter |
| 7467984, |
Jan 19 2006 |
Silverlit Toys Manufactory Ltd. |
Helicopter |
| 7494397, |
Jan 19 2006 |
Silverlit Toys Manufactory Ltd. |
Helicopter |
| 7662013, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd |
Helicopter with horizontal control |
| 7815482, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter |
| 7883392, |
Aug 04 2008 |
Silverlit Toys Manufactory LTD |
Toy helicopter |
| 8002604, |
Aug 03 2006 |
Silverlit Limited |
Remote controlled toy helicopter |
| 8052500, |
Nov 25 2008 |
Silverlit Limited |
Helicopter with main and auxiliary rotors |
| 8308522, |
Jan 29 2010 |
Silverlit Limited |
Flying toy |
| 8357023, |
Aug 03 2006 |
Silverlit Limited |
Helicopter |
| D579403, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter propeller rotor |
| D580343, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter blades, tail and fins |
| D580344, |
Aug 03 2006 |
Silverlit Toys Manufactory, Ltd.; Silverlit Toys Manufactory, Ltd |
Helicopter rotors, blades and shafts |
| D580845, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter |
| D581341, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter rotor, frame and fins |
| D581856, |
Aug 03 2006 |
Silverlit Toys Manufactory Ltd. |
Helicopter blade, shafts and fins |
| D582336, |
Aug 03 2006 |
Silverlit Toys Manufactory Ltd. |
Helicopter blade, shafts and fins |
| D582491, |
Jun 04 2008 |
MANBERG, LTD |
Toy helicopter |
| D585810, |
Jan 19 2006 |
Silverlit Toys Manufactory Ltd. |
Helicopter propeller |
| Patent |
Priority |
Assignee |
Title |
| 1403909, |
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| 1773281, |
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| 5240204, |
Jul 19 1991 |
|
Lift generating method and apparatus for aircraft |
| 5609312, |
Apr 25 1994 |
ARLTON, PAUL E |
Model helicopter |
| 5879131, |
Apr 25 1994 |
|
Main rotor system for model helicopters |
| 6039541, |
Apr 07 1998 |
University of Central Florida; FLORIDA, UNIVERSITY OF CENTRAL |
High efficiency ceiling fan |
| 6659721, |
Apr 07 1998 |
University of Central Florida |
High efficiency ceiling fan blades |
| 6884034, |
Apr 07 1998 |
RESEARCH FOUNDATION OF THE UNIVERSITY OF CENTRAL FLORIDA INCORPORATED |
Enhancements to high efficiency ceiling fan |
| 6929215, |
Sep 04 2001 |
|
Rotor system for helicopters |
| 20060231677, |
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| 163938, |
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| 171569, |
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| 178081, |
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| D294605, |
Oct 24 1985 |
Takara Co., Ltd. |
Reconfigurable toy helicopter |
| D357894, |
Sep 20 1993 |
TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC |
Helicopter |
| D388048, |
May 13 1996 |
TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC |
Helicopter |
| D421279, |
Apr 12 1999 |
|
Toy helicopter |
| D425853, |
Apr 17 1998 |
AGUSTA S P A |
Helicopter |
| D467861, |
Nov 06 2001 |
General Helicopter, Inc.; GENERAL HELICOPTER, INC |
Helicopter |
| D524229, |
May 30 2005 |
Sikorsky Aircraft Corporation |
Rigid coaxial rotor helicopter with auxiliary propulsion (small) |
| JP2004121798, |
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| JP2005193905, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a