Patent
   D406810
Priority
Nov 06 1997
Filed
Nov 06 1997
Issued
Mar 16 1999
Expiry
Mar 16 2013
Assg.orig
Entity
unknown
7
2
n/a
The ornamental design for a helicopter, as shown and described.

FIG. 1 is a perspective view of helicopter showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a larger scale fragmentary right side elevational view of the top central portion thereof.

Lai, Hsing-Hsiung

Patent Priority Assignee Title
D467861, Nov 06 2001 General Helicopter, Inc.; GENERAL HELICOPTER, INC Helicopter
D582491, Jun 04 2008 MANBERG, LTD Toy helicopter
D592583, Mar 12 2008 AVX Corporation Aircraft
D699153, Mar 30 2012 AutoGyro AG Autogyro
D716437, Jan 17 2014 PATTERSON VENTILATION COMPANY, INC Ceiling fan hub and blade assembly
D817253, Jan 20 2016 HANSUNG ILS CO., LTD. Helicopter
D827039, May 18 2017 GORDON BROTHERS BRANDS, LLC Toy helicopter
Patent Priority Assignee Title
5251847, Nov 07 1991 Aerospatiale Societe Nationale Industrielle Tail rotor anti-torque system for a helicopter
D361054, Jun 16 1994 Helicopter
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 21 1997LAI, HSING-HSIUNGLIGHT S AMERICAN SPORTSCOPTER INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0087860928 pdf
Nov 06 1997Light's American Sportscopter Inc.(assignment on the face of the patent)
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