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:
Jul. 01, 1980
Filed:
Nov. 29, 1978
Applicant:
Inventors:
Assignee:
Yoshida Kogyo K.K., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23B / ;
U.S. Cl.
CPC ...
428209 ; 428469 ; 204 33 ; 204 / ; 148-61 ; 156665 ; 1566591 ; 427280 ;
Abstract
A colored pattern imitating the grain of wood is formed on the surface of an article formed of an aluminum or its alloy by dipping the article in a coating bath floating a coating material in a multilinear pattern or multiannular pattern to form on the surface of the article a masking film in a pattern of the wood grain, subjecting the article to an oxide film application or etching and, after removal of the masking film, subjecting the article to an electrolytic coloring process.
Hirono, Hatsuo. (1980). Method of forming colored patterns on aluminum or its alloys (U.S. Patent No. 4210695). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4210695
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile