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:
Nov. 17, 1987
Filed:
Mar. 11, 1986
Applicant:
Inventor:
Koichi Wakamiya, Tokyo, JP;
Assignee:
Nippon Kogaku K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354219 ;
Abstract
In an albada finder having index means for indicating the photographable area of an object to be photographed and an albada reflecting surface positioned more adjacent to the object side than the index means and reflecting a light beam from the index means toward the observer side, there is provided a lens in which the albada reflecting surface is formed on the lens surface thereof which is adjacent to the object side.