Patents by Inventor Premkumar L. Kothari

Premkumar L. Kothari 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).

  • Patent number: 7707722
    Abstract: A novel technique for setting a multiplicity of precious stones such as diamonds into a unique setting to enhance the beauty and presentation of the multiplicity of set stones, with the technique including setting a center stone into a socket and having it held by a multiplicity of prongs, an outer series of small stones wherein each outer stone is respectively placed in a socket and is held in most designs by a pair of the same prongs which hold the center stone and is also held by a lower groove in the interior facing surface of the outer wall, and an intermediate series of stones which are placed in a respective socket and are held by a pair of the prongs which also retain the center stone and in most designs all of the smaller stones and are also retained by a groove in the interior facing surface of the outer wall, the intermediate series of stones also serving to retain the small series of stones.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: May 4, 2010
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: 7461452
    Abstract: The present invention is a novel technique for setting a multiplicity of precious stones such as diamonds into a unique setting to enhance the beauty and presentation of the multiplicity of set stones, with the technique including setting a center stone held by small prongs, an outer series of stones wherein each outer stone is held by a pair of large prongs, and an intermediate series of stones held by the larger outer prongs which hold the small stones so that the intermediate stones partially cover the center stone and outer series of stones in a manner which conceals the way the outer stones are held.
    Type: Grant
    Filed: July 18, 2005
    Date of Patent: December 9, 2008
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D549128
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: August 21, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D549129
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: August 21, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D549612
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: August 28, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D552011
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: October 2, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D553542
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: October 23, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D553543
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: October 23, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D556083
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: November 27, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D556084
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: November 27, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D558083
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: December 25, 2007
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari
  • Patent number: D620387
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: July 27, 2010
    Assignee: Fine Jewellery (India) Ltd.
    Inventor: Premkumar L. Kothari