HITACHI METALS TECHNO, LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0136,606 CHAIN-SPROCKET MECHANISM, CHAIN AND SPROCKETAbandonedFeb 14, 11Jun 09, 11[F16G]
2008/0047,221 Steel Frame Beam-Reinforcing Metal FixtureAbandonedAug 17, 04Feb 28, 08[E04C]
2007/0159,500 Reinforcement design support apparatus and reinforcement design support programAbandonedDec 08, 06Jul 12, 07[G09G]
2007/0149,333 CHAIN-SPROCKET MECHANISM, CHAIN AND SPROCKETAbandonedDec 21, 06Jun 28, 07[F16G]
5218802 Column and beam connecting assemblyExpiredJan 14, 91Jun 15, 93[E04B]
5174080 Column and beam connecting assemblyExpiredFeb 19, 91Dec 29, 92[E04B]
5031369 Free access floorExpiredAug 01, 90Jul 16, 91[E04B]

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