1668723

Information

• Patent Grant
• 1668723

• References
• Source

• Patent Number

  1,668,723

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1928
  97 years ago

• CPC

  • C04B41/62 - with organic materials
  • B28B7/362 - specially for making moulded articles from concrete with exposed aggregate
  • Y10S264/43 - Processes of curing clay and concrete materials

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes