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:
Jan. 16, 1996
Filed:
Aug. 16, 1993
Peter Nass, Mainz, DE;
Otmar Becker, Langen, DE;
Klaus Kristen, Wiesbaden, DE;
Waldemar Weinberg, Seibersbach, DE;
Manfred Borens, Stadecken-Elsheim, DE;
Roland Leroux, Stadecken-Elsheim, DE;
Jurgen Thurk, Schornsheim, DE;
Schott Glaswerke, Mainz, DE;
Abstract
Process for the production of decorative glass ceramic articles, the design being sunk entirely or partially into the surface of the glass ceramic, wherein the surface, to be decorated, of the not-yet ceramed base glass is connected as the anode of the region of its glass transition temperature Tg up to Tg+100.degree. C. and a current is allowed to flow evoking an alteration of the surface of the base glass, and wherein the current is permitted to flow until the surface has been altered to a desired depth.