Helicopter

Games – toys – and sports goods – Toy – Aerial

Design Patent

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Details

CD12S326000

Design Patent

active

D0568947

CLAIM:
The ornamental design for a helicopter, as shown and described.

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Photographic reference #1, helicopter.
Photographic reference #2, helicopter displaying writing in French on the tail.
Photographic reference #3, explanation of the function of the flybar.
Photographic reference #4, toy helicopter, www.raidentech.com.
Photographic reference #5, toy helicopter.
Photographic reference #6, helicopter.
Photographic reference #7, helicopter with M40297 or MA0297 displayed on the tail.
Photographic reference #8, toy helicopter #AHS-23900, hstoy.en.alibaba.com.
Photographic reference #9, toy helicopter. toys999.en.alibaba.com.
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Ham, Normand. Helicopter individual-blade-control research at MIT 1977-1985; DGLR, European Rotorcraft Forum, 12th, Garmisch-Partenkirchen, West Germany; Germany, Federal Republic of; Sep. 22-25, 1986 10 pp. 1986 (Abstract).
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Mirick, Paul H. “A Comparison of Theory and Experiment for Coupled Rotor Body Stability of a Bearingless Rotor Model in Hover and Forward Flight”, Jun. 1, 1988, IP Document Id 19880017770 pp. 87-101 (Abstract).
US District Court, Eastern District of Virginia, Norfolk Division,Silverlit Toys Manufactory, Ltd., et al.v.Westminst

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