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:
Apr. 11, 1995
Filed:
Jan. 24, 1994
Applicant:
Inventors:
Shingo Kashima, Sagamihara, JP;
Asako Kashima, Sagamihara, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359894 ; 359511 ;
Abstract
A cover slip for use in a microscope, which is employed for a water-immersed objective lens, is made of a transparent material with a refractive index, the difference between the refractive index of the transparent material and that of water being 0.02 or less.