1623989

Information

• Patent Grant
• 1623989

• References
• Source

• Patent Number

  1,623,989

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1927
  97 years ago

• CPC

  • C04B38/00 - Porous mortars, concrete, artificial stone or ceramic ware Preparation thereof
  • C04B40/0683 - inhibiting by freezing or cooling
  • Y10S264/43 - Processes of curing clay and concrete materials
  • Y10S264/63 - Processes of molding porous blocks

• US Classifications

  • 106 - Compositions: coating or plastic
  • 264 - Plastic and nonmetallic article shaping or treating: processes