Patent
   D633956
Priority
Apr 12 2010
Filed
Apr 12 2010
Issued
Mar 08 2011
Expiry
Mar 08 2025
Assg.orig
Entity
unknown
9
10
n/a
The ornamental design for a roter blade for toy helicopter, as shown and described.

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
D692797, Jul 20 2012 Yamaha Hatsudoki Kabushiki Kaisha Helicopter
D706705, Dec 17 2011 WISK AERO LLC Rotor blade
D730803, Jan 20 2014 Bell Helicopter Textron Inc. Short light single helicopter
D820917, Sep 28 2015 TRAXXAS LP Propeller for a model aircraft
D891351, Dec 15 2017 Bell Helicopter Textron Inc.; BELL HELICOPTER TEXTRON INC Rotor blade
D907559, Dec 15 2017 Bell Helicopter Textron Inc.; BELL HELICOPTER TEXTRON INC Leading edge fairing
D949085, Feb 06 2020 JAPAN AEROSPACE EXPLORATION AGENCY Rotor for multicopters
ER4185,
ER6808,
Patent Priority Assignee Title
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