3390496

Information

• Patent Grant
• 3390496

• References
• Source

• Patent Number

  3,390,496

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • C04B41/5323 - to make grain visible
  • B28B19/0007 - for producing articles with exposed aggregate

• US Classifications

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