HALLMARK SWEET, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 864
 
  
 
A44C JEWELLERY; BRACELETS; OTHER PERSONAL ADORNMENTS; COINS 218
 
  
 
A44B BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE 130
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8419867 Gold alloy compositions formed by environmentally friendly processAug 15, 08Apr 16, 13[C22C]
7413705 Rose-colored gold alloy compositions with reversible hardness characteristicsMay 09, 05Aug 19, 08[C22C]
7198683 Sterling silver alloy compositions of exceptional and reversible hardness, and enhanced tarnish resistanceAug 26, 04Apr 03, 07[C22C]
7135078 Nickel-free white gold alloy compositions with reversible hardness characteristicsDec 05, 05Nov 14, 06[C22C]
6676776 14-karat gold alloy compositions having enhanced yellow color, reversible hardness, and fine grain structureAug 20, 02Jan 13, 04[C22C]
6406568 18-karat green gold alloy compositionsAug 22, 01Jun 18, 02[C22C]
5919320 Nickel-free white gold alloy with reversible hardness characteristicsNov 17, 97Jul 06, 99[C22C]
5782108 Springless jewelry findingApr 18, 97Jul 21, 98[A44C]
5412848 Clip mechanism having outwardly biased leg membersJan 27, 93May 09, 95[F16B, A44B]
5257513 Ball earring process and constructionJul 10, 92Nov 02, 93[A44C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0107,226 Methods of forming an article, such as an item of jewelryAbandonedNov 07, 06May 17, 07[A44C]
6463759 Jewelry finding for producing a necklace having a twisted appearanceExpiredAug 10, 00Oct 15, 02[A44C]
5746067 Round bangleExpiredApr 02, 97May 05, 98[A44C]
5598722 Bangle closing mechanismExpiredApr 03, 95Feb 04, 97[A44C]
D358114 Chain end capExpiredJan 13, 94May 09, 95[]

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