1476448

Information

• Patent Grant
• 1476448

• References
• Source

• Patent Number

  1,476,448

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1923
  100 years ago

• CPC

  • C21D9/58 - with heating by baths

• US Classifications

  • 148 - Metal treatment
  • 266 - Metallurgical apparatus