The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2025
Filed:
Sep. 30, 2020
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Daisuke Uchibori, Tokyo, JP;
Yujin Hamano, Tokyo, JP;
Kazuaki Watanabe, Tokyo, JP;
Masafumi Nakagawa, Tokyo, JP;
Atsushi Aratake, Tokyo, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/00 (2006.01); B64U 30/26 (2023.01); F16B 5/06 (2006.01);
U.S. Cl.
CPC ...
B64C 27/006 (2013.01); B64U 30/26 (2023.01); F16B 5/06 (2013.01);
Abstract
A propeller guardincludes an upper frameprovided on the uppermost surface of the propeller guard, a base frameprovided on the lowermost surface of the propeller guard, and a curved framethat couples the upper frameand the base frametogether and is curved outward.