3580555

Information

• Patent Grant
• 3580555

• References
• Source

• Patent Number

  3,580,555

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • C21D9/0043 - Muffle furnaces; Retort furnaces

• US Classifications

  • 266 - Metallurgical apparatus
  • 148 - Metal treatment