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. 12, 1988
Filed:
Mar. 23, 1987
Applicant:
Inventors:
Takeshi Muryoi, Chigasaki, JP;
Yasunobu Shinpo, Tokyo, JP;
Assignee:
Nippon Kogaku K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 82 ; 354288 ;
Abstract
A lens device provided with a photo-taking optical system and a barrel holding the photo-taking optical system therein has an auxiliary optical system insertable into and retractable from the optical path of the photo-taking optical sytem, and grip means protruding from the outer wall of the barrel in order that the user may hold the barrel, the grip means having containing means for containing therein the auxiliary optical system when retracted from the optical path of the photo-taking optical system.