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.

Date of Patent:
Apr. 06, 1993

Filed:

Jul. 22, 1991
Applicant:
Inventors:

Toshihiro Kayahara, Matsuyama, JP;

Seiji Tai, Matsuyama, JP;

Sadayoshi Shibakawa, Iyo, all, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 18 ; 122 14 ; 122138 ; 122153 ; 1224483 ; 122494 ;

Find Patent Forward Citations

Kayahara, Toshihiro. (1993). Quadrangular type multi-tube once-through boiler (U.S. Patent No. 5199384). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5199384

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

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