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.:

US 7311653 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 25, 2007

Filed:

Sep. 12, 2005
Applicant:

Shoji Kusumoto, Ibaraki, JP;

Inventor:

Shoji Kusumoto, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B04B 5/02 (2006.01); B04B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An air flow valve capable of being opened and closed is provided between the interior of the rotor chamber sealed with the door and the exterior thereof, and formed so that, when the door is closed, or when the door is opened, the air flow valve is temporarily opened.


Find Patent Forward Citations

Kusumoto, Shoji. (2007). Centrifugal separator having a structure for facilitating opening and closing a door (U.S. Patent No. 7311653). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7311653

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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