2171776

Information

• Patent Grant
• 2171776

• References
• Source

• Patent Number

  2,171,776

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  86 years ago

• CPC

  • C21D9/667 - Multi-station furnaces

• US Classifications

  • 432 - Heating
  • 266 - Metallurgical apparatus