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:
Aug. 19, 2025
Filed:
Sep. 13, 2022
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Masao Yamaguchi, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
A booth includes one or more wall plates surrounding an internal space, a ceiling plate connected to the plates and above the space, and a communication portion connected to either the ceiling plate or an upper part of a wall plate and through which air flows. The communication portion includes area portions arranged along an air flow direction and each having an opening through which the air flows, the area portions including first, second, and third portions in this order from the outside of the booth towards the internal space, and a first area of the opening of the first portion along a surface perpendicular to the air flow direction is smaller than a second area of the opening of the second portion along the surface, and a third area of the opening of the third portion along the surface is smaller than the second area.