Blade for a vertical windmill
Kawai , et al. June 26, 2
U.S. patent number D821,321 [Application Number D/576,824] was granted by the patent office on 2018-06-26 for blade for a vertical windmill. This patent grant is currently assigned to NTN CORPORATION. The grantee listed for this patent is NTN CORPORATION. Invention is credited to Tomoya Kawai, Masatoshi Mizutani.
| United States Patent | D821,321 |
| Kawai , et al. | June 26, 2018 |
Blade for a vertical windmill
Claims
CLAIM The ornamental design for a blade for a vertical windmill, as shown and described.
| Inventors: | Kawai; Tomoya (Kuwana, JP), Mizutani; Masatoshi (Kuwana, JP) | ||||||||||
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| Applicant: |
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| Assignee: | NTN CORPORATION (Osaka,
JP) |
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| Appl. No.: | D/576,824 | ||||||||||
| Filed: | September 7, 2016 |
| Current U.S. Class: | D13/118 |
| Current International Class: | 1302 |
| Field of Search: | ;D13/110,115,101,118,199 ;D15/1,199 ;452/64 ;416/61 |
References Cited [Referenced By]
U.S. Patent Documents
| 9103321 | August 2015 | Bardia |
| 2007/0224029 | September 2007 | Yokoi |
| 2008/0227378 | September 2008 | Yokoi |
| 2015/0240788 | August 2015 | Kayama |
| 0001302798 | Nov 2011 | EM | |||
| 4022954 | Mar 2012 | GB | |||
| 4024872 | May 2013 | GB | |||
| D1376682 | Dec 2009 | JP | |||
| 2011169267 | Sep 2011 | JP | |||
| 2011169292 | Sep 2011 | JP | |||
| 2016169711 | Sep 2016 | JP | |||
| 02016176369 | Oct 2016 | JP | |||
| 2016205204 | Dec 2016 | JP | |||
Other References
|
Vertical Turbine Design posted by Renews posted date May 28, 2015, .COPYRGT. ReNews, [online], http://renews.biz/89256/siemens-brings-new-turbine-design-to-life/ (Year: 2015). cited by examiner . NTN Exhibit posted by NTN posted date Feb. 25, 2016, .COPYRGT. NTN Global, [online], http://www.ntnglobal.com/en/news/event/event201600012.html (Year: 2016). cited by examiner . Aquilero Wind Turbine posted by Aquilero posted date unknown, .COPYRGT. Aquilero, [online], http://www.aquilero.com/en/ (Year: 2017). cited by examiner. |
Primary Examiner: Ramirez; Cynthia
Assistant Examiner: Yu; Laura H
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.
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References
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