2806811

Information

• Patent Grant
• 2806811

• References
• Source

• Patent Number

  2,806,811

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  67 years ago

• CPC

  • E04C2/043 - of plaster
  • C04B28/14 - containing calcium sulfate cements
  • D21H27/24 - characterised by the surface to be covered being phenolic-resin paper laminates, vulcan fibre or similar cellulosic fibreboards
  • D21J1/16 - Special fibreboard
  • C04B2111/0062 - Gypsum-paper board like materials
  • Y10T428/31964 - Paper
  • Y10T428/31982 - Wood or paper

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures
  • 156 - Adhesive bonding and miscellaneous chemical manufacture