Oldcastle, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B44F SPECIAL DESIGNS OR PICTURES110
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5884445 Paving block arrayDec 02, 97Mar 23, 99[B44F, E01C]
D404147 Paving blockDec 02, 97Jan 12, 99[2501]
5502940 Composite building element and methods of making and using the sameAug 17, 93Apr 02, 96[B28B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5490360 Roofing elementsExpiredDec 09, 94Feb 13, 96[E04D]
D356873 Roof tileExpiredNov 01, 93Mar 28, 95[]
5268028 Lightweight concrete roof tiles and similar productsExpiredSep 24, 92Dec 07, 93[C04B]
D338541 Roof tileExpiredMay 23, 91Aug 17, 93[]
5214895 Roof tilesExpiredNov 12, 91Jun 01, 93[E04D]
5070671 Roof tilesExpiredJun 28, 90Dec 10, 91[E04D]

Top Inventors for This Owner

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