GRAND RAINBOW INTERNATIONAL LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A44C JEWELLERY; BRACELETS; OTHER PERSONAL ADORNMENTS; COINS 1010
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0020,787 CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRYAug 14, 17Jan 25, 18[A44C]
2016/0270,490 LOCKING MECHANISM FOR JEWELRYNov 27, 14Sep 22, 16[A44C]
2016/0270,494 INVISIBLE SETTING AND METHODS FOR EFFECTING SAMEOct 13, 14Sep 22, 16[A44C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9801434 Invisible setting and methods and tools for effecting sameMay 01, 13Oct 31, 17[B23P, A44C]
9730497 Closure for article, in particular for jewelryJul 22, 12Aug 15, 17[A44C]
9591900 Closure for article, in particular for jewelryOct 14, 14Mar 14, 17[A44C]
9402450 Invisible setting and methods and tools for effecting sameMay 02, 12Aug 02, 16[B23P, A44C]
8881550 Closure for article, in particular for jewelryApr 24, 12Nov 11, 14[A44C]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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