3021291

Information

• Patent Grant
• 3021291

• References
• Source

• Patent Number

  3,021,291

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  63 years ago

• CPC

  • C04B38/00 - Porous mortars, concrete, artificial stone or ceramic ware Preparation thereof
  • C04B16/08 - porous
  • C04B28/02 - containing hydraulic cements other than calcium sulfates
  • Y10S264/07 - Binding and molding cellular particles
  • Y10S264/17 - Molding a foam containing a filler
  • Y10S264/63 - Processes of molding porous blocks

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles
  • 524 - Synthetic resins or natural rubbers