Patents by Inventor WORLDWIDE DIAMOND TRADEMARKS LTD.

WORLDWIDE DIAMOND TRADEMARKS LTD. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20130125585
    Abstract: A heart shaped diamond possessing a hearts and arrows pattern characteristic comprising: eight main crown facets symmetrically aligned relative to one another, with each of the eight main crown facets having a straight edge in parallel alignment with a straight edge of another main crown facet disposed opposite thereto; eight main pavilion facets aligned at a fixed given angle of approximately 45° to each other and converging at a common point corresponding to the center of the diamond; sixteen pavilion half facets aligned at 22.5° with respect to each other, a girdle which is non-uniform and has a substantially unequal thickness throughout the diamond, a table facet, and a multiple number of crown star facets in an arrangement surrounding the table facet.
    Type: Application
    Filed: January 14, 2013
    Publication date: May 23, 2013
    Applicant: WORLDWIDE DIAMOND TRADEMARKS LTD.
    Inventor: WORLDWIDE DIAMOND TRADEMARKS LTD.