3432155

Information

• Patent Grant
• 3432155

• References
• Source

• Patent Number

  3,432,155

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1969
  55 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
  • F28C3/16 - the particulate material forming a bed

• US Classifications

  • 432 - Heating
  • 252 - Compositions