3850417

Information

• Patent Grant
• 3850417

• References
• Source

• Patent Number

  3,850,417

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • C21D9/663 - Bell-type furnaces

• US Classifications

  • 266 - Metallurgical apparatus
  • 165 - Heat exchange