3521867

Information

• Patent Grant
• 3521867

• References
• Source

• Patent Number

  3,521,867

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  55 years ago

• CPC

  • F27B7/20 - Details, accessories, or equipment peculiar to rotary-drum furnaces
  • F27B7/167 - the means comprising partitions

• US Classifications

  • 366 - Agitating
  • 165 - Heat exchange
  • 432 - Heating