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:
Sep. 14, 2021
Filed:
Jun. 16, 2020
Nubiz Plastic (Nantong) Co., Ltd, Qidong, CN;
Wei Zhu, Qidong, CN;
NUBIZ PLASTIC (NANTONG) CO., LTD, Qidong, CN;
Abstract
In a pump assembly, the outer wall of the first inner-housing sidewall, the inner wall of the second inner-housing sidewall and the inner-housing top wall define a first chamber with a first opening, and the gas chamber of the first chamber is a sealed chamber collectively defined by the piston portion, the inner-housing top wall, the outer wall of the first inner-housing sidewall and the inner wall of the second inner-housing sidewall, so that the formation of the sealed chamber does not require an additional sealing ring. This thereby reduces the risk of gas leakage due to aging of the sealing ring. A container with contents discharge function provided by this disclosure can include the above pump assembly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile