GB0021423D0 - Examining diamonds - Google Patents
Examining diamondsInfo
- 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
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)
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)
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 |
-
1998
- 1998-12-22 GB GB0021423A patent/GB2350693B/en not_active Expired - Fee Related
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 |