U.S. RING BINDER, L.P.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B42F SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING 118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9821594 Locking ring metalAug 07, 14Nov 21, 17[B42F]
9815315 Locking ring metalMar 14, 13Nov 14, 17[B42F]
9809047 Ring lock guard for a ring binderFeb 11, 14Nov 07, 17[B42F]
9499007 Gear operated ring binderMay 02, 16Nov 22, 16[B42F]
9102188 Ring binder mechanismJun 27, 13Aug 11, 15[B42F]
7530755 Easy open ring binderApr 07, 05May 12, 09[B42F]
7491006 Easy open ring binderMay 05, 05Feb 17, 09[B42F]
7461994 Twist lock ring binderSep 30, 05Dec 09, 08[B42F]
6394686 Clinch fastenerJan 13, 01May 28, 02[B42F]
D392673 Ring binderFeb 25, 97Mar 24, 98[1904]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8480326 Ring binder mechanismExpiredJan 11, 13Jul 09, 13[B42F]
8376645 Binder metal with accessory attachment capabilityExpiredMar 25, 10Feb 19, 13[B42F]
7419324 Binder metal with shield insertExpiredMay 02, 05Sep 02, 08[B42F]
6821045 Ring metal shield for use with concealed fastenerExpiredNov 07, 02Nov 23, 04[B42F]
2002/0131,810 Clinch fastenerAbandonedFeb 28, 02Sep 19, 02[B42F]
6270279 Ring binder mechanismExpiredAug 18, 00Aug 07, 01[B42F]
5667323 Arch ring binder assemblyExpiredMar 31, 95Sep 16, 97[B42F]
5660490 Ring binderExpiredMar 31, 95Aug 26, 97[B42F]
5476335 Locking mechanism for a ring binderExpiredMar 31, 95Dec 19, 95[B42F]
5348412 Releasable attachment for a ring metal to a ring binderExpiredSep 29, 92Sep 20, 94[B42F]
5332327 D ring binderExpiredSep 23, 91Jul 26, 94[B42F]
5265967 Swivel lock assembly for use in ringbinders and the likeExpiredDec 30, 92Nov 30, 93[B42F]
5135323 Ring binderExpiredJul 23, 91Aug 04, 92[B42F]
5116157 Locking ring binderExpiredDec 28, 90May 26, 92[B42F]

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