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Patent
D633956
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Priority
Apr 12 2010
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Filed
Apr 12 2010
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Issued
Mar 08 2011
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Expiry
Mar 08 2025
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Assg.orig
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Entity
unknown
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9
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10
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n/a
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The ornamental design for a roter blade for toy helicopter, as shown and described.
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FIG. 1 is a perspective view of rotor blade for toy helicopter showing my new design.
FIG. 2 is a top view thereof.
FIG. 3 is a bottom view thereof.
FIG. 4 is a front end view thereof.
FIG. 5 is a rear end view thereof.
FIG. 6 is a left view thereof.
FIG. 7 is a right view thereof; and,
FIG. 8 is a perspective view of the new design thereof which is in use with a toy helicopter.
It is understood that the broken lines in the drawing are for illustrative purposes only and forms no part of the claimed design.
Cheng, Randy
Patent |
Priority |
Assignee |
Title |
3124897, |
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3722132, |
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|
4718874, |
Aug 27 1986 |
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Rotary flight device |
D544825, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd |
Helicopter propeller rotor |
D561084, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd.; Silverlit Toys Manufactory, Ltd |
Helicopter propeller |
D561085, |
Aug 03 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter propeller |
D561679, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter propeller |
D579403, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter propeller rotor |
D582833, |
Oct 31 2007 |
Silverlit Toys Manufactory, Ltd |
Rotors for helicopter |
D583297, |
Oct 31 2007 |
Silverlit Toys Manufactory, Ltd |
Helicopter rotors |
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