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:
Dec. 03, 1985
Filed:
Mar. 19, 1984
Applicant:
Inventors:
Yoji Sugiura, Kanagawa, JP;
Hironori Yamamoto, Kanagawa, JP;
Keijiro Nishida, Kanagawa, JP;
Naoki Shirai, Saitama, JP;
Kimio Takahashi, Tokyo, JP;
Mikio Nakasugi, Tokyo, JP;
Norihisa Saito, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350600 ; 4289122 ; 428938 ; 428636 ; 428654 ;
Abstract
In making reflection mirrors for optics, a technique is provided for making up a reflection mirror not of a glass-system material but of metallic material, and a method for high-precision mirror-machining of a metal plate is also disclosed.