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:
Mar. 27, 1990
Filed:
Sep. 16, 1988
Applicant:
Inventors:
Erwin Daniels, Aalen, DE;
Hermann Schurle, Aalen, DE;
Assignee:
Carl-Zeiss-Stiftung, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912169 ; 21912173 ;
Abstract
A method of producing a marking on a spectacle lens. For producing the marking, those regions on the surface of the spectacle lens which are to define the form of the marking are irradiated with an excimer laser through a mask which contains the marking in the form of a cutout.