Toy helicopter
Description
Claims
The ornamental design for a toy helicopter, as shown and described.
Referenced Cited
U.S. Patent Documents
D164351 | August 1951 | Bassett |
D179629 | February 1957 | Duppstadt et al. |
3133715 | May 1964 | Grunfelder |
3189302 | June 1965 | Bullinger |
3279096 | October 1966 | Emigh |
3467343 | September 1969 | Violleau |
D225654 | December 1972 | Spiegel |
3765770 | October 1973 | McConnell et al. |
D253003 | September 25, 1979 | Tanaka |
20060231677 | October 19, 2006 | Zimet et al. |
20070012818 | January 18, 2007 | Miyazawa et al. |
20070105475 | May 10, 2007 | Gotou et al. |
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Patent History
Patent number: D582490
Type: Grant
Filed: Mar 19, 2008
Date of Patent: Dec 9, 2008
Assignee: Hobbyengine Model Limited (Kowloon)
Inventor: Shiu Hang Yuen (Tsimshatsui East)
Primary Examiner: Catherine Tuttle
Attorney: Merchant & Gould P.C.
Application Number: 29/305,373
Type: Grant
Filed: Mar 19, 2008
Date of Patent: Dec 9, 2008
Assignee: Hobbyengine Model Limited (Kowloon)
Inventor: Shiu Hang Yuen (Tsimshatsui East)
Primary Examiner: Catherine Tuttle
Attorney: Merchant & Gould P.C.
Application Number: 29/305,373
Classifications
Current U.S. Class:
Helicopter (D21/442)