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:
May. 09, 2023
Filed:
Apr. 08, 2021
Applicant:
Senju Sprinkler Co., Ltd., Tokyo, JP;
Inventor:
Yasuaki Koiwa, Tokyo, JP;
Assignee:
SENJU SPRINKLER CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A62C 35/68 (2006.01); B05B 15/65 (2018.01); F24F 7/00 (2021.01); A62C 31/28 (2006.01);
U.S. Cl.
CPC ...
A62C 35/68 (2013.01); A62C 31/28 (2013.01); B05B 15/65 (2018.02); F24F 7/00 (2013.01);
Abstract
A sprinkler head accessory includes an inner ring attached to a sprinkler head and an outer ring hiding the edge of a ceiling hole through which the sprinkler head passes. The inner ring has a partition portion facing the outer ring with a gap therebetween. A ventilation portion constituted by the gap through which the indoor side of a ceiling board and the back side of the ceiling board communicate with one another is provided between the outer ring and the partition portion.