U.S. patent number D561,677 [Application Number D/283,034] was granted by the patent office on 2008-02-12 for helicopter. This patent grant is currently assigned to Silverlit Toys Manufactory, Ltd.. Invention is credited to Chi Pok Billy Wai.
United States Patent | D561,677 |
Wai | February 12, 2008 |
Inventors: | Wai; Chi Pok Billy (Quarry Bay, HK) |
---|---|
Assignee: | Silverlit Toys Manufactory,
Ltd. (Hong Kong, HK) |
Appl. No.: | D/283,034 |
Filed: | August 3, 2007 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
11627919 | Jan 26, 2007 | ||||
11465781 | Aug 18, 2006 | ||||
11462177 | Aug 3, 2006 | ||||
29283034 | |||||
29275322 | Dec 20, 2006 | D546269 | |||
29275323 | Dec 20, 2006 | D544825 | |||
29275324 | Dec 20, 2006 | D545755 | |||
29277652 | Mar 5, 2007 | D552531 | |||
29280187 | May 18, 2007 | D554040 | |||
Jan 19, 2006 [BE] | 2006/0043 | |||
Current U.S. Class: | D12/326 |
Current International Class: | 1207 |
Field of Search: | ;D12/319-345 ;244/17.11,317.27 ;446/36-45,230,232 ;D21/441-442,450,453,650,553,578,585 |
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Photographic prior art reference #1, helicopter. cited by other . Photographic prior art reference #2, helicopter displaying writing in French on tail. cited by other . Photographic prior art reference #3, explanation of the function of a flybar. cited by other . Photographic prior art reference #4, toy helicopter, www.raidentech.com. cited by other . Photographic prior art reference #5, toy helicopter. cited by other . Photographic prior art reference #6, helicopter. cited by other . Photographic prior art reference #7, helicopter with M40297 or MA0297 displayed on tail. cited by other . Photographic prior art reference #8, toy helicopter #AHS-23900, hstoy.en.alibaba.com. cited by other . Photographic prior art reference #9, toy helicopter, toys999.en.alibaba.com. cited by other . Mill, Colin. "Practical Theories, Part 9", W3MH--World Wide Web Model Helicopter Magazine, Jul. 1996, http://www.w3mh.co.uk/articles/html/csm9-11.htm. cited by other . Day, David. "Moving Swashplates & CCPM", 2001-2006. See http://www.iroquois.free-online.co.uk. cited by other. |
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