LAFARGE BRAAS GMBH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6502353 Roof covering and its method of making and using, comprising a rib mesh corrugated with at least one outer layer, the generally parallel corrugations permitting deformation without restoring creepExpiredFeb 20, 01Jan 07, 03[E04D]
6268410 Colored concrete roofing tiles and a method for producing colored concrete bodies such as colored concrete roofing tilesExpiredFeb 14, 00Jul 31, 01[C08K]
6182404 Sub-roofing element, on a roof, for a flat, plate-shaped structural elementExpiredSep 29, 98Feb 06, 01[E04D]
6119415 Pitched roof with an energy collection systemExpiredSep 29, 98Sep 19, 00[E04D]
6105331 Joist element for fastening a flat, plate-shaped structural element to a pitched roofExpiredSep 29, 98Aug 22, 00[H01L]
6090329 Method of producing colored concrete bodies such as colored concrete roofing tilesExpiredMar 06, 98Jul 18, 00[B29C, B28B]
6074589 Tool for cutting and shaping an unfinished concrete roofing tiles and a method for using a tool for cutting and shaping unfinished roofing tilesExpiredJan 02, 98Jun 13, 00[B28B]

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