CEMCOM CORPORATION, A CORP. OF MD

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4891071 Cementitious composite material with vacuum integrity at elevated temperaturesExpiredNov 21, 84Jan 02, 90[C04B]
4792361 Cementitious composite friction compositionsExpiredAug 08, 86Dec 20, 88[C04B]
4780141 Cementitious composite material containing metal fiberExpiredDec 23, 86Oct 25, 88[C04B, B28B]
4666520 Cementitious composite material with silicon carbide aggregateExpiredSep 18, 85May 19, 87[C04B]
4599211 Thermal treatment of concretes containing stainless steelExpiredNov 21, 84Jul 08, 86[C04B]
4598012 Glass fiber reinforced cementitious productsExpiredFeb 14, 85Jul 01, 86[B05D, B32B]
4505753 Cementitious composite materialExpiredJun 30, 83Mar 19, 85[C04B]
4504320 Light-weight cementitious productExpiredSep 26, 83Mar 12, 85[C04B]
4501830 Rapid set lightweight cement productExpiredJan 05, 84Feb 26, 85[C08G, C04B]
4482385 Cementitious composite material with stainless steel particulate fillerExpiredJun 30, 83Nov 13, 84[C04B]

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