Diamond with eighty-one facets

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Description

FIG. 1 is a side elevation view of a diamond with eighty-one facets, with an opposite side view thereof being the same;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a bottom plan view thereof.

Claims

We claim the ornamental design for a diamond with eighty-one facets, as shown and described.

Referenced Cited
U.S. Patent Documents
4219199 August 26, 1980 Okuda
D569298 May 20, 2008 Smith
D570726 June 10, 2008 Weitman
D616785 June 1, 2010 Slowinski
D632205 February 8, 2011 Mehta
D817217 May 8, 2018 Zussmann
D830879 October 16, 2018 Patel
10376026 August 13, 2019 Zhang
20050011226 January 20, 2005 So
20060137674 June 29, 2006 Aoyagi
20090056374 March 5, 2009 Abate
20110265514 November 3, 2011 Fakier
20140026616 January 30, 2014 Rydlewicz
20150296934 October 22, 2015 Zhang
20160213105 July 28, 2016 Weitman
20170181511 June 29, 2017 Weitman
20180020790 January 25, 2018 Zhang
20190274399 September 12, 2019 Tomasik
20190298011 October 3, 2019 Bonke
Foreign Patent Documents
201108098 September 2008 CN
102078054 June 2011 CN
202697980 January 2013 CN
103126215 June 2013 CN
203220016 October 2013 CN
102238885 February 2015 CN
303737362 July 2016 CN
304722337 July 2018 CN
1110472 June 2001 EP
2010201043 September 2010 JP
Other references
  • Facebook Setting a new benchmark in diamond light . . . —SK Jewellery Malaysia, Jun. 15, 2016, [online], [site visited Jun. 12, 2020]. Retrieved from url:https://www.facebook.com/SKJewellery.MY/photos/a.106056142822166/1054840861277018/?type=3 (Year: 2016).
  • Chen, Zhonghui, “Diamond Grading Manual,” British Gemstone Association and Gem Testing Laboratory, China University of Geosciences Press, pp. 45-66.
  • “Hearts and Arrows Ideal Cut,” Hearts & Arrows.com, http://www.heartsandarrows.com/hearts-arrows-diamond-ideal-cut-dna,aspx, Internet printout dated Oct. 8, 2015, pp. 1-4.
  • “Hearts & Arrows Creation,” https://web.archive.org/web/20100806192127, Internet printout dated Oct. 8, 2015, pp. 1-3.
Patent History
Patent number: D901324
Type: Grant
Filed: May 28, 2019
Date of Patent: Nov 10, 2020
Assignee: Shenzhen Perfect Love Diamond Co., Ltd. (Shenzhen Guangdong)
Inventors: Kunzhi Zhang (Anqiu), Feng Zhang (Anqiu)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Tracey J Bell
Application Number: 29/692,679
Classifications
Current U.S. Class: Faceted (D11/90)