Blade for a vertical windmill
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Description
The partial design of the present invention is the portion delimited by the single-dot chain lines shown in
The broken lines in
Claims
The ornamental design for a blade for a vertical windmill, as shown and described.
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Patent History
Patent number: D821321
Type: Grant
Filed: Sep 7, 2016
Date of Patent: Jun 26, 2018
Assignee: NTN CORPORATION (Osaka)
Inventors: Tomoya Kawai (Kuwana), Masatoshi Mizutani (Kuwana)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/576,824
Type: Grant
Filed: Sep 7, 2016
Date of Patent: Jun 26, 2018
Assignee: NTN CORPORATION (Osaka)
Inventors: Tomoya Kawai (Kuwana), Masatoshi Mizutani (Kuwana)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/576,824
Classifications
Current U.S. Class:
Element Or Attachment (D13/118)