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:
Apr. 12, 2022
Filed:
May. 25, 2018
Shin-etsu Polymer Co., Ltd., Tokyo, JP;
Osamu Ogawa, Saitama, JP;
Shin-Etsu Polymer Co., Ltd., Tokyo, JP;
Abstract
A substrate storage container includes an annular packing provided between a container body for storing substrates and a lid. The container body has a seal surface which is in contact with the packing. The lid is provided with an attachment groove for attaching the packing. The packing is formed of a main body fitted in the attachment groove and an extended piece extending from the main body. The extended piece has a protrusion protruding toward the lid in the closing direction of the lid. A seal portion is located at an end beyond the protrusion. The seal portion is inverted to a side of the seal surface and a side of the main body and comes into contact with the seal surface.