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:
Mar. 10, 2015
Filed:
Jan. 25, 2010
Mitsuo Yokohata, Osaka, JP;
Mitsuo Yokohata, Osaka, JP;
Abstract
The present invention provides a gas shutoff device that prevents tampering procurement of gas or tamper due to stealing of the gas shutoff device. When an event, in which a gas pressure value of a pressure measuring unitafter a predetermined operation performed by a provider in installation is kept equal to or less than a first predetermined pressure value for a first predetermined time or longer and then the gas pressure value is kept equal to or more than a second predetermined pressure value for a second predetermined time or longer, happens at a predetermined number of times, the gas is shut off by a shutoff unit, communication with the outside is performed by an external communication unit, restoration is permitted by a restoring unitwhile when there is a predetermined operation by the provider after the shutoff, the restoration permission state implemented by communicating with the outside by the predetermined operation by the provider and inputting communication of a response from the outside.