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. 27, 1982
Filed:
Apr. 28, 1980
Applicant:
Inventors:
Edward B Rybicki, Depew, NY (US);
Milton H Sussman, Amherst, NY (US);
Assignee:
American Optical Corporation, Southbridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350414 ;
Abstract
A four component 10.times. microscope objective having a concavo-convex negative triplet as the third element providing sufficient color correction to permit classification as a semi-apochromatic objective is disclosed.