Methods, apparatus, and systems for evaluating gemstones

Details Methods, apparatus, and systems for evaluating gemstones Methods, apparatus, and systems for evaluating gemstones

2008-05-13

2008-05-13

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

Crystal or gem examination

Reexamination Certificate

active

11018744

ABSTRACT:
Methods for grading gemstones, apparatus for grading gemstones, and systems that utilize such methods and apparatus are disclosed.

REFERENCES:
patent: 4647194 (1987-03-01), Shigetomi et al.
patent: 5118181 (1992-06-01), Yifrach et al.
patent: 5164586 (1992-11-01), Hohberg et al.
patent: 5196966 (1993-03-01), Yamashita
patent: 5260763 (1993-11-01), Yamashita
patent: 5430538 (1995-07-01), Kobayashi
patent: 5615005 (1997-03-01), Valente et al.
patent: 5627638 (1997-05-01), Vokhmin
patent: 5966673 (1999-10-01), Shannon, Sr.
patent: 6020954 (2000-02-01), Aggarwal
patent: 6128577 (2000-10-01), Assa et al.
patent: 6239867 (2001-05-01), Aggarwal
patent: 6348964 (2002-02-01), Wagner et al.
patent: 6567156 (2003-05-01), Kerner
patent: 6665058 (2003-12-01), Gilbertson
patent: 6795171 (2004-09-01), Gilbertson
patent: 6980283 (2005-12-01), Aggarwal
patent: 7136154 (2006-11-01), Bray
patent: 7193694 (2007-03-01), Underwood
patent: 2002/0052170 (2002-05-01), Holloway
patent: 2005/0190356 (2005-09-01), Sasian et al.
patent: 2005/0190357 (2005-09-01), Sasian et al.
patent: 2005/0200834 (2005-09-01), Sasian et al.
patent: 2005/0213077 (2005-09-01), Sasian et al.
patent: 2006/0074588 (2006-04-01), Blodgett et al.
patent: 2006/0164623 (2006-07-01), Wagner et al.
patent: 2006/0190292 (2006-08-01), Reinitz et al.
patent: 2006/0267975 (2006-11-01), Moses et al.
Sarin Technologies Ltd., http://www.sarin.com/sam.asp; printed on Mar. 12, 2004.
Jose M. Sasian et al., “The Optical Design of Gemstones,” Optics & Photonics News, Apr. 2003.
Ilene Reinitz et al., Letters—Comments on the GIA Analysis of Diamond “Fire,” Gems & Gemology, Summer 2002.
Bob Bates, “Cut From the Same Cloth,” Jewlers Circular Keystone Magazine, Jun. 2003.
JCK-Jewelers Circular Keystone., http://www.jckgroup.com/index.asp?layout=articlePrint&articleID-CA227219&webzine=jck&p..., printed Jun. 19, 2003.
“Software Plots Diamonds, Helps Identify Gems,” Jewelers' Circular-Keystone, Oct. 1994.
Sivovolenko, S.B., Shelementyev, Y.B. and Holloway, G., “On grading the symmetry of a round brilliant cut diamond,” Dec. 19, 2005, http://www.gemology.ru.cut/english/symmetry/—index.htm.
Solotaroff, I., “Making the Grade,” Modern Jeweler Magazine, Jun. 2005.
Yantzer, P., Caudill, J. and Flora, D., “New AGS Cut Grading System,” Rapaport Diamond Report, Jun. 3, 2005.
“The AGS ASET: A Real World View of the Light-Handling Capabilities of a Faceted Diamond,” http://www.kassoy.com/gemology/aset01.html, printed on Sep. 14, 2005.
Yantzer, P., Caudill, J. and Flora, D., “New AGS Cut Grading System,” http://www.rapaport.com
ews
ewsitem.asp?num=12383&type=all&topic-all&searchfor..., printed on Sep. 14, 2005.
“New Arrivals: Tools, Products and Services,” www.instoremag.com, Sep. 2005.
“What Is the Ideal-Scope and What Does It Do?”, http://www.pricescope.com/idealscope—indx.asp, printed May 30, 2006.
“Russian Diamond Cut Studies, Diamond Calculator and gem Adviser,” http://www.pricescope.com/MSU/default.asp, printed May 30, 2006.
“Diamond Calculator: Description”, http://www. pricescope.com/MSU/diamcalc.asp, printed May 30, 2006.
Green, B., Johnson, M., Reinitz, I. and Shigley, J., “Diamond Appearance: The Components of a Computer Model,” GIA Research, http://www.gia.edu/research/1383/431/article—detail.cfm, printed May 31, 2006.
Buck, J., “The Recursive Ray Tracing Algorithm,” http://www.geocities.com/jamisbuck/raytracing.html?200631, printed May 31, 2006.
“Diamond Cut Study: Proposed Three Dimensional Modeling Method,” http://www.gemology.ru.cut/english/conferens-article/—2.htm, printed May 30, 2006.
“Diamond Grading,” Sarin Technologies Ltd., http://www.sarin.com/diamond.asp, printed May 30, 2006.

Affiliated with

Also associated with

Rating

Methods, apparatus, and systems for evaluating gemstones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods, apparatus, and systems for evaluating gemstones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods, apparatus, and systems for evaluating gemstones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3938443