Blade for a vertical windmill

Information

  • Patent Grant
  • D821321
  • Patent Number
    D821,321
  • Date Filed
    Wednesday, September 7, 2016
    8 years ago
  • Date Issued
    Tuesday, June 26, 2018
    6 years ago
Abstract
Description


FIG. 1 is a front elevational view of a blade for a vertical windmill showing our new design;



FIG. 2 is a rear elevational view thereof;



FIG. 3 is a left side elevational view thereof;



FIG. 4 is a right side elevational view thereof;



FIG. 5 is a top plan view thereof;



FIG. 6 is a cross sectional view taken along line 6-6 in FIG. 1; and,



FIG. 7 is a front left perspective view thereof.


The partial design of the present invention is the portion delimited by the single-dot chain lines shown in FIGS. 1 to 4 and 7.


The broken lines in FIGS. 1 to 4 and 7, showing portions of the blade for a vertical windmill, form no part of the claimed design.


Claims
  • The ornamental design for a blade for a vertical windmill, as shown and described.
US Referenced Citations (4)
Number Name Date Kind
9103321 Bardia Aug 2015 B1
20070224029 Yokoi Sep 2007 A1
20080227378 Yokoi Sep 2008 A1
20150240788 Kayama Aug 2015 A1
Foreign Referenced Citations (9)
Number Date Country
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D1376682 Dec 2009 JP
2011169267 Sep 2011 JP
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2016169711 Sep 2016 JP
02016176369 Oct 2016 JP
2016205204 Dec 2016 JP
Non-Patent Literature Citations (3)
Entry
Vertical Turbine Design posted by Renews posted date May 28, 2015, © ReNews, [online], http://renews.biz/89256/siemens-brings-new-turbine-design-to-life/ (Year: 2015).
NTN Exhibit posted by NTN posted date Feb. 25, 2016, © NTN Global, [online], http://www.ntnglobal.com/en/news/event/event201600012.html (Year: 2016).
Aquilero Wind Turbine posted by Aquilero posted date unknown, © Aquilero, [online], http://www.aquilero.com/en/ (Year: 2017).