Patent
   D561677
Priority
Jan 19 2006
Filed
Aug 03 2007
Issued
Feb 12 2008
Expiry
Feb 12 2022
Assg.orig
Entity
unknown
12
53
n/a
The ornamental design for a helicopter, as shown and described.

FIG. 1 is a right side view of a helicopter;

FIG. 2 is a perspective right side view of the helicopter;

FIG. 3 is a left side view of the helicopter;

FIG. 4 is a perspective left side view of the helicopter;

FIG. 5. is a front view of the helicopter; and,

FIG. 6 is a rear view of the helicopter.

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
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//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 03 2007Silverlit Toys Manufactory, Ltd.(assignment on the face of the patent)
Aug 03 2007WAI, CHI POK BILLYSilverlit Toys Manufactory, LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0196750099 pdf
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