GB0021423D0 - Examining diamonds - Google Patents

Examining diamonds

Info

Publication number
GB0021423D0
GB0021423D0 GBGB0021423.9A GB0021423A GB0021423D0 GB 0021423 D0 GB0021423 D0 GB 0021423D0 GB 0021423 A GB0021423 A GB 0021423A GB 0021423 D0 GB0021423 D0 GB 0021423D0
Authority
GB
United Kingdom
Prior art keywords
diamonds
examining
examining diamonds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB0021423.9A
Other versions
GB2350693B (en
GB2350693A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gersan Ets
Original Assignee
Gersan Ets
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9727362.7A external-priority patent/GB9727362D0/en
Application filed by Gersan Ets filed Critical Gersan Ets
Publication of GB0021423D0 publication Critical patent/GB0021423D0/en
Publication of GB2350693A publication Critical patent/GB2350693A/en
Application granted granted Critical
Publication of GB2350693B publication Critical patent/GB2350693B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB0021423A 1997-12-24 1998-12-22 Examining diamonds and gemstones Expired - Fee Related GB2350693B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9727362.7A GB9727362D0 (en) 1997-12-24 1997-12-24 Examining diamonds
GB9828394A GB2332755B (en) 1997-12-24 1998-12-22 Examining diamonds and gemstones

Publications (3)

Publication Number Publication Date
GB0021423D0 true GB0021423D0 (en) 2000-10-18
GB2350693A GB2350693A (en) 2000-12-06
GB2350693B GB2350693B (en) 2002-04-10

Family

ID=26312854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0021423A Expired - Fee Related GB2350693B (en) 1997-12-24 1998-12-22 Examining diamonds and gemstones

Country Status (1)

Country Link
GB (1) GB2350693B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1764610A1 (en) * 2005-09-14 2007-03-21 Overseas Diamonds Technologies N.V. Improvements in gemstone viewing methods and apparatus
JP5269603B2 (en) * 2005-11-12 2013-08-21 ジェメックス システムズ，インク． Engraved gem viewer
GB2462121A (en) 2008-07-25 2010-01-27 Diamond Trading Company Ltd Gemstone Viewer

Also Published As

Publication number Publication date
GB2350693B (en) 2002-04-10
GB2350693A (en) 2000-12-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031222