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:
Aug. 21, 1990

Filed:

Apr. 11, 1988
Applicant:
Inventors:

Nobuo Nishioka, Kyoto, JP;

Tadayoshi Juge, Kyoto, JP;

Yoshiaki Shimizu, Kameoka, JP;

Keishichi Namba, Yokohama, JP;

Hiroshi Shimura, Yokohama, JP;

Fumitaka Abukawa, Yokohama, JP;

Hitoshi Goi, Yokohama, JP;

Kazuyoshi Fujita, Yokohama, JP;

Yuichi Takasu, Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ; C21D / ; C21D / ;
U.S. Cl.
CPC ...
148 165 ; 266251 ;

Find Patent Forward Citations

Nishioka, Nobuo. (1990). Gas carburizing method and apparatus (U.S. Patent No. 4950334). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4950334

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

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