3709474

Information

• Patent Grant
• 3709474

• References
• Source

• Patent Number

  3,709,474

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1973
  51 years ago

• CPC

  • F27B7/04 - with longitudinal divisions
  • F27B2007/027 - with more than one drum
  • F27B2007/043 - the partition being a cylinder, coaxial to the rotary drum, defining two chambers

• US Classifications

  • 432 - Heating