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:
Oct. 13, 1992
Filed:
Mar. 22, 1991
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 23 ; 429 24 ;
Abstract
A device for shutting-off a fuel cell system includes a main power switch and a parallel latching switch circuit. The latching switch circuit remains closed until all operations necessary to safely shut down the system have been carried out and verified.
Takechi, Hiroaki. (1992). Shut-off device for fuel cell system (U.S. Patent No. 5154986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5154986
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