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Espace
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Patent
D561676
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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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13
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56
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n/a
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The ornamental design for a helicopter, as shown and described.
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FIG. 1 is a right side view of a helicopter, 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;
FIG. 5 is a top view thereof; and,
FIG. 6 is a rear 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 |
| 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 |
| 8308522, |
Jan 29 2010 |
Silverlit Limited |
Flying toy |
| 8357023, |
Aug 03 2006 |
Silverlit Limited |
Helicopter |
| D582491, |
Jun 04 2008 |
MANBERG, LTD |
Toy helicopter |
| D633955, |
Feb 12 2009 |
HOBBYENGINE MODEL LTD |
Toy helicopter |
| D635199, |
Feb 12 2009 |
HOBBYENGINE MODEL LTD |
Toy helicopter |
| D665720, |
Jan 11 2012 |
Sikorsky Aircraft Corporation |
Rotary wing aircraft |
| D684642, |
Feb 29 2012 |
|
Toy airplane model |
| D894814, |
Sep 27 2019 |
Textron Innovations Inc |
Aircraft |
| D896730, |
Sep 27 2019 |
Textron Innovations Inc |
Combined aircraft fuselage and empennage |
| Patent |
Priority |
Assignee |
Title |
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Aug 02 1974 |
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Helicopter with opposite rotating torque cancelling horizontal propeller |
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May 13 1976 |
Lockheed Aircraft Corporation |
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Feb 09 1979 |
California R & D Center |
Insect simulating mobile toy having flappable wings |
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Jul 08 1985 |
Mattel, Inc. |
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Lift generating method and apparatus for aircraft |
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Apr 25 1994 |
ARLTON, PAUL E |
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Sep 30 1991 |
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Apr 25 1994 |
ARLTON, PAUL E |
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Apr 25 1994 |
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Main rotor system for model helicopters |
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Jul 07 1997 |
Airbus Helicopters |
Blade pitch locking device for a main rotor of a rotary-wing aircraft |
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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 |
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Apr 07 1998 |
University of Central Florida |
High efficiency ceiling fan blades |
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Feb 03 2003 |
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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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| 20050121553, |
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| 20060231677, |
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| 20070012818, |
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| BE338599, |
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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