Triblade

- Winfoor AB
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Description

FIG. 1 is a perspective view of a triblade showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The broken lines in FIGS. 1-7 depict unclaimed environmental subject matter and form no part of the claimed design.

Claims

The ornamental design for a triblade, as shown and described.

Referenced Cited
U.S. Patent Documents
1820529 August 1931 Darrieus
4081221 March 28, 1978 Andrews
4295790 October 20, 1981 Eggert, Jr.
5161952 November 10, 1992 Eggers, Jr.
D511495 November 15, 2005 Okubo
D715736 October 21, 2014 Gong
D716228 October 28, 2014 McCamley
D722965 February 24, 2015 Perless
9103321 August 11, 2015 Bardia
9169830 October 27, 2015 Weitkamp
D782416 March 28, 2017 Paulin
20120027608 February 2, 2012 Martinez
Foreign Patent Documents
10 2009 040 515 March 2011 DE
0 064 742 November 1982 EP
0 274 777 July 1988 EP
2 006 537 December 2008 EP
2007/045244 April 2007 WO
2011/053177 May 2011 WO
2014/006542 January 2014 WO
Other references
  • International Search Report dated Jan. 22, 2016, issued in corresponding International Application No. PCT/SE2015/050992, filed Sep. 23, 2015, 5 pages.
Patent History
Patent number: D822602
Type: Grant
Filed: Apr 28, 2016
Date of Patent: Jul 10, 2018
Assignee: Winfoor AB (Lund)
Inventor: Rikard Berthilsson (Lund)
Primary Examiner: Daniel D Bui
Assistant Examiner: Andrew Kerr
Application Number: 29/562,777
Classifications
Current U.S. Class: Wind Or Hand Powered (D13/115)