| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5a840b0ae9424cac85b14df40da464e1 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B44B2700-08 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B44B7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B44B3-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B21-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B44B7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A44C27-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B44C1-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G09F19-12 |
| filingDate |
1998-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2001-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9d15f14b9647456c86eb5b8e8f665010 |
| publicationDate |
2001-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
TW-458836-B |
| titleOfInvention |
Diamond or gemstone marking |
| abstract |
A method and apparatus for forming a mark on the surface of a diamond or gemstone, the mark consisting of a plurality of grooves 10 which do not detrimentally affect the clarity grade of the diamond or gemstone, and which exhibit a highly diffractive effect under certain illumination and magnification conditions. An apparatus and method for viewing such a mark is also described. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-I744841-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-I629152-B |
| priorityDate |
1997-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |