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Espace
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Patent
D561679
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Priority
Jan 19 2006
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Filed
Jul 16 2007
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Issued
Feb 12 2008
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Expiry
Feb 12 2022
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Assg.orig
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Entity
unknown
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24
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53
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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 right side view of a helicopter propeller, showing my new design;
FIG. 2 is a right side perspective view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a left side perspective view thereof; and,
FIG. 5 is a top view thereof.
Broken lines, if any, are for illustrative purposes only and form no part of the claimed design.
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 |
| 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 |
| D585810, |
Jan 19 2006 |
Silverlit Toys Manufactory Ltd. |
Helicopter propeller |
| D633956, |
Apr 12 2010 |
|
Rotor blade for toy helicopter |
| D646728, |
Apr 21 2010 |
|
Foldable rotor blade for toy helicopter |
| D839815, |
Sep 08 2017 |
AUTEL ROBOTICS CO., LTD. |
Propeller |
| D885298, |
Nov 08 2018 |
JAPAN AEROSPACE EXPLORATION AGENCY |
Propeller blade |
| D925430, |
Feb 17 2020 |
|
Propeller for drone |
| Patent |
Priority |
Assignee |
Title |
| 1403909, |
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| 1773281, |
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| 3592559, |
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| 4025230, |
May 13 1976 |
Lockheed Aircraft Corporation |
Advanced control system for a rotor and/or a compound or rotary wing vehicle |
| 4307533, |
Feb 09 1979 |
California R & D Center |
Insect simulating mobile toy having flappable wings |
| 4629440, |
Jul 08 1985 |
Mattel, Inc. |
Animated toy |
| 5240204, |
Jul 19 1991 |
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Lift generating method and apparatus for aircraft |
| 5255871, |
Nov 29 1990 |
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Helicopter having rotors equipped with flaps |
| 5609312, |
Apr 25 1994 |
ARLTON, PAUL E |
Model helicopter |
| 5628620, |
Sep 30 1991 |
|
Main rotor system for helicopters |
| 5836545, |
Apr 25 1994 |
ARLTON, PAUL E |
Rotary wing model aircraft |
| 5879131, |
Apr 25 1994 |
|
Main rotor system for model helicopters |
| 6032899, |
Jul 07 1997 |
Airbus Helicopters |
Blade pitch locking device for a main rotor of a rotary-wing aircraft |
| 6039541, |
Apr 07 1998 |
University of Central Florida; FLORIDA, UNIVERSITY OF CENTRAL |
High efficiency ceiling fan |
| 6632119, |
Mar 01 2000 |
Marvel Enterprises, Inc. |
Winding device and ornithopter utilizing same |
| 6659721, |
Apr 07 1998 |
University of Central Florida |
High efficiency ceiling fan blades |
| 6719244, |
Feb 03 2003 |
|
VTOL aircraft control using opposed tilting of its dual propellers or fans |
| 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 |
| 20020109044, |
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| 20040087241, |
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| 20050121533, |
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| 20060231677, |
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| 20070012818, |
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| BE338599, |
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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) |
| D524230, |
May 31 2005 |
Sikorsky Aircraft Corporation |
Rigid coaxial rotor helicopter with auxiliary propulsion (large) |
| D524718, |
May 31 2005 |
Sikorsky Aircraft Corporation |
Rigid coaxial rotor helicopter with dual auxiliary propulsion |
| D548803, |
Apr 27 2006 |
ZIMET, NACHMAN; DIVON, AVNER |
Helicopter |
| DE4017402, |
|
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| GB1081341, |
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| GB916894, |
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| JP2004121798, |
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| JP2005193905, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a