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:
Sep. 27, 2022
Filed:
Oct. 09, 2018
Applicant:
D. Swarovski KG, Wattens, AT;
Inventors:
Christian Loinger, Kramsach, AT;
Günther Blasbichler, Innsbruck, AT;
Assignee:
D. Swarovski KG, Wattens, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A44C 17/00 (2006.01);
U.S. Cl.
CPC ...
A44C 17/001 (2013.01);
Abstract
The invention relates to a gemstone cut, comprising a crown having a flat table and main crown facets (-) being arranged around the table () and being inclined relative to the table, a girdle () at which the gemstone has its largest transverse dimension, and a pavilion adjoining the girdle from below the girdle and having main pavilion facets () around the girdle, whereby the number of the main pavilion facets is odd. The invention also relates to an article comprising a gemstone according to the invention and a method for improving the optical properties of a gemstone.