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:
Jun. 17, 1980
Filed:
Mar. 06, 1978
Applicant:
Inventor:
Tsutomu Tojyo, Hachiouji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
3501 / ;
Abstract
A microscope objective lens system which comprises a front and a rear lens group, the former comprising a first positive meniscus lens component, a second positive lens component, a third positive cemented lens component and a fourth positive cemented lens component, and the latter comprising a fifth cemented lens component, the system enabling to achieve the flattening of an image plane widely towards the surrounding area of visual field.