Gem stone
Description
Claims
The ornamental design for a gem stone, as shown.
Referenced Cited
U.S. Patent Documents
Other references
D251659 | April 24, 1979 | Grossbard |
5649434 | July 22, 1997 | Itzkowitz |
D423976 | May 2, 2000 | Itzkowitz |
D494496 | August 17, 2004 | Lax |
D501421 | February 1, 2005 | Abaev |
D502665 | March 8, 2005 | Siman-Tov |
D520903 | May 16, 2006 | Shah |
7146827 | December 12, 2006 | Mardkha |
D537379 | February 27, 2007 | Namdar |
D663650 | July 17, 2012 | Siman-Tov |
D673878 | January 8, 2013 | Tannenbaum |
D698278 | January 28, 2014 | Slowinski |
9439483 | September 13, 2016 | Weingarten |
D769769 | October 25, 2016 | Hasenfeld |
D871960 | January 7, 2020 | Blustein |
D884548 | May 19, 2020 | Kwiat |
D896121 | September 15, 2020 | Asscher |
D955272 | June 21, 2022 | Shimansky |
20030154741 | August 21, 2003 | Kawabuchi |
20110302960 | December 15, 2011 | Weingarten |
20120180525 | July 19, 2012 | Weingarten |
20170231336 | August 17, 2017 | Disinger |
- Victoria Replica. Online [website]. Facet Diagrams, Apr. 1963, [retrieved on Feb. 28, 2023]. Retrieved from the internet: <http://www.facetdiagrams.org/cgi-bin/showmatches.py?shape=00&code=&name=victoria+replica&designer=&reference=&year=&gear=&lbyw=&hbyw=&volfrac=&days_old=&nppg=20>. (Year: 1963).
- Four Types of Cushion Cut Diamonds to Know. Online [website]. Princess Bride Diamonds, Jan. 25, 2020, [retrieved on Feb. 28, 2023]. Retrieved from the internet: <https://princessbridediamonds.com/blogs/jewelry-education/the-4-types-of-cushion-cut-diamonds-to-know>. (Year: 2020).
- Kwiat Unveils New Proprietary Cushion-Cut Diamond in Las Vegas. JKC Online, Aug. 31, 2021, [retrieved on Feb. 28, 2023]. Retrieved from the internet: <https://www.jckonline.com/editorial-article/kwiat-cushion-cut-diamond/>. (Year: 2021).
Patent History
Patent number: D992453
Type: Grant
Filed: Feb 23, 2021
Date of Patent: Jul 18, 2023
Inventors: Russell Kwiat (New York, NY), Gregory Kwiat (New York, NY), Cory Kwiat (New York, NY)
Primary Examiner: Tracey J Bell
Assistant Examiner: Grace Doyle
Application Number: 29/771,420
Type: Grant
Filed: Feb 23, 2021
Date of Patent: Jul 18, 2023
Inventors: Russell Kwiat (New York, NY), Gregory Kwiat (New York, NY), Cory Kwiat (New York, NY)
Primary Examiner: Tracey J Bell
Assistant Examiner: Grace Doyle
Application Number: 29/771,420
Classifications
Current U.S. Class:
Faceted (D11/90)