1783416

Information

• Patent Grant
• 1783416

• References
• Source

• Patent Number

  1,783,416

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1930
  94 years ago

• CPC

  • C21B7/00 - Blast furnaces
  • C21B7/02 - Internal forms

• US Classifications

  • 266 - Metallurgical apparatus