1561579

Information

• Patent Grant
• 1561579

• References
• Source

• Patent Number

  1,561,579

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1925
  99 years ago

• CPC

  • C21D9/58 - with heating by baths

• US Classifications

  • 148 - Metal treatment
  • 134 - Cleaning and liquid contact with solids
  • 266 - Metallurgical apparatus