Helicopter propeller

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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.

Claims

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

Referenced Cited
U.S. Patent Documents
1403909 January 1922 Moir
1773281 August 1930 Scott
1800470 April 1931 Oehmichen
2030578 February 1936 Flettner
2307381 January 1943 Bess
2384516 September 1945 Young
2481750 September 1949 Hiller, Jr. et al.
2532683 December 1950 Traver
D163938 July 1951 Douglas
2646848 July 1953 Young
D171569 March 1954 Apostolescu
D178081 June 1956 Papadakos
2750131 June 1956 Thomson
3029048 April 1962 Brooks et al.
3080001 March 1963 Culver et al.
3409249 November 1968 Bergquist et al.
3570787 March 1971 Stahmer
3592559 July 1971 Ward
3933324 January 20, 1976 Ostrowski
4025230 May 24, 1977 Kastan
4307533 December 29, 1981 Sims et al.
4629440 December 16, 1986 McKittrick et al.
D294605 March 8, 1988 Matsumoto
5240204 August 31, 1993 Kunz
5255871 October 26, 1993 Ikeda
D357894 May 2, 1995 Arnold et al.
5609312 March 11, 1997 Arlton et al.
5628620 May 13, 1997 Arlton
D388048 December 23, 1997 Collins et al.
5836545 November 17, 1998 Arlton et al.
5879131 March 9, 1999 Arlton et al.
D421279 February 29, 2000 Tsai
6032899 March 7, 2000 Mondet et al.
6039541 March 21, 2000 Parker et al.
D425853 May 30, 2000 Caporaletti
D467861 December 31, 2002 Lee
6632119 October 14, 2003 Chernek et al.
6659721 December 9, 2003 Parker et al.
6719244 April 13, 2004 Gress
6884034 April 26, 2005 Parker et al.
6929215 August 16, 2005 Arlton et al.
D524229 July 4, 2006 Stille et al.
D524230 July 4, 2006 Stille et al.
D524718 July 11, 2006 Scott et al.
D548803 August 14, 2007 Zimet
20020109044 August 15, 2002 Rock
20040087241 May 6, 2004 Agostini et al.
20050121553 June 9, 2005 Isawa et al.
20060231677 October 19, 2006 Zimet et al.
20070012818 January 18, 2007 Miyazawa et al.
Foreign Patent Documents
338599 December 1926 BE
40 17 402 December 1991 DE
916894 January 1963 GB
1081341 August 1967 GB
2005193905 July 2005 JP
2004121798 December 2006 JP
Other references
  • Photographic reference #1, helicopter.
  • Photographic reference #2, helicopter displaying writing in French on tail.
  • Photographic reference #3, explanation of the function of a 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 tail.
  • Photographic reference #8, toy helicopter #AHS-23900, hstoy.en.alibaba.com.
  • Photographic reference #9, toy helicopter, toys999.en.alibaba.com.
  • 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.
  • Day, David. “Moving Swashplates & CCPM”, 2001-2006. See http://www.iroquois.free-online.co.uk.
Patent History
Patent number: D561085
Type: Grant
Filed: Jul 16, 2007
Date of Patent: Feb 5, 2008
Assignee: Silverlit Toys Manufactory, Ltd. (Hong Kong)
Inventor: Chi Pok Billy Wai (Quarry Bay)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Maurice Stevens
Attorney: Greenberg Traurig, LLP
Application Number: 29/282,295
Classifications