3809529

Information

• Patent Grant
• 3809529

• References
• Source

• Patent Number

  3,809,529

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • C23D9/02 - Non-electric muffle furnaces
  • F27B9/16 - the charge moving in a circular or arcuate path

• US Classifications

  • 432 - Heating