Maeta Concrete Industry Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5651816 Cement, cement products, molding material, concrete member and a method of producing the sameExpiredJul 22, 96Jul 29, 97[C04B]
5614009 Cement, cement products, molding material, a concrete member and a method of producing the sameExpiredJun 05, 95Mar 25, 97[C04B]
5609680 Cement, cement products, molding material, a concrete member and a method of producing the sameExpiredJun 05, 95Mar 11, 97[C04B]
5577857 Joint structure for pillars and its joining methodExpiredApr 07, 94Nov 26, 96[F16B, E04C]

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