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. 09, 1982
Filed:
Sep. 29, 1980
Applicant:
Inventors:
Boris P Golubkov, Khimki Moskovskoi oblasti, SU;
Svyatoslav N Fedorov, Moscow, SU;
Valery V Durnev, deceased, late of Moscow, SU;
by Tamara Durneva, administratrix, Moscow, SU;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61D / ;
U.S. Cl.
CPC ...
128316 ; 1283051 ;
Abstract
An instrument for making out the central optical zone of the cornea having an oblong body featuring the edge of one of its ends sharpened, while the diameter of the body across said end equals a preset diameter of the central optical zone, and a sight is accommodated inside the body square with the longitudinal axis thereof, the sighting point of said sight lying on the longitudinal axis of the oblong body of the instrument.