Helicopter propeller

Wai February 5, 2

Patent Grant D561085

U.S. patent number D561,085 [Application Number D/282,295] was granted by the patent office on 2008-02-05 for helicopter propeller. This patent grant is currently assigned to Silverlit Toys Manufactory, Ltd.. Invention is credited to Chi Pok Billy Wai.


United States Patent D561,085
Wai February 5, 2008

Helicopter propeller

Claims

CLAIM The ornamental design for a helicopter propeller, as shown and described.
Inventors: Wai; Chi Pok Billy (Quarry Bay, HK)
Assignee: Silverlit Toys Manufactory, Ltd. (Hong Kong, HK)
Appl. No.: D/282,295
Filed: July 16, 2007

Related U.S. Patent Documents

Application Number Filing Date Patent Number Issue Date
11627919 Jan 26, 2007
11465781 Aug 18, 2006
11462177 Aug 3, 2006
29282295
29275322 Dec 20, 2006 D546269
29275323 Jun 19, 2007 D544825
29275324 Jul 3, 2007 D545755
29277652 Mar 5, 2007 D552531
29280187 May 18, 2007 D554040

Current U.S. Class: D12/345; D21/442
Current International Class: 1207
Field of Search: ;D12/319-345 ;D21/441-442,450,453 ;446/36-45,230,232 ;244/17.11,17.17,17.19,17.21,17.23,17.25,17.27

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Other References

Photographic reference #1, helicopter. cited by other .
Photographic reference #2, helicopter displaying writing in French on tail. cited by other .
Photographic reference #3, explanation of the function of a flybar. cited by other .
Photographic reference #4, toy helicopter, www.raidentech.com. cited by other .
Photographic reference #5, toy helicopter. cited by other .
Photographic reference #6, helicopter. cited by other .
Photographic reference #7, helicopter with M40297 or MA0297 displayed on tail. cited by other .
Photographic reference #8, toy helicopter #AHS-23900, hstoy.en.alibaba.com. cited by other .
Photographic 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.

Primary Examiner: Rademaker; Charles A.
Assistant Examiner: Stevens; Maurice
Attorney, Agent or Firm: Greenberg Traurig, LLP

Description



FIG. 1 is a right side view of a helicopter propeller, showing my new design;

FIG. 2 is a right side perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a left side perspective view thereof; and,

FIG. 5 is a top view thereof.

* * * * *

References


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