CBC INDUSTRIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5685057 Drill bushing assembly and methodExpiredMay 01, 95Nov 11, 97[B23B, B21D]
5056965 Method of controlled inventory for bushingsExpiredJun 14, 90Oct 15, 91[B23B]
4841817 Gun drill coolant bushing and method of making sameExpiredJun 06, 88Jun 27, 89[B21K]
4804300 Gun drill coolant bushing and method of making sameExpiredJan 27, 87Feb 14, 89[B23B]
4770570 Gun drill coolant bushingExpiredAug 11, 86Sep 13, 88[B23B]
4708540 Wire lock linerExpiredJul 22, 86Nov 24, 87[B23B]
4705422 Multi-position fixtureExpiredAug 08, 86Nov 10, 87[F16B]
4641986 Multi-position eyeboltExpiredAug 30, 85Feb 10, 87[F16G]
4570952 Fluid collet chuckExpiredMay 25, 84Feb 18, 86[B23B]
4570987 Swivel eyeboltExpiredMay 14, 84Feb 18, 86[B23B]

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