1488992

Information

• Patent Grant
• 1488992

• References
• Source

• Patent Number

  1,488,992

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1924
  100 years ago

• CPC

  • C21D1/46 - Salt baths
  • C21D9/58 - with heating by baths

• US Classifications

  • 148 - Metal treatment
  • 266 - Metallurgical apparatus