3409450

Information

• Patent Grant
• 3409450

• References
• Source

• Patent Number

  3,409,450

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1968
  56 years ago

• CPC

  • C04B20/06 - Expanding clay, perlite, vermiculite or like granular materials
  • C04B20/066 - in shaft or vertical furnaces
  • F27B1/005 - wherein no smelting of the charge occurs

• US Classifications

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