3158515

Information

• Patent Grant
• 3158515

• References
• Source

• Patent Number

  3,158,515

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1964
  60 years ago

• CPC

  • C21D1/70 - while heating or quenching
  • C03C3/064 - containing boron
  • C03C3/091 - containing aluminium
  • C21D1/44 - in heat-treatment baths
  • C22F1/008 - Using a protective surface layer

• US Classifications

  • 148 - Metal treatment
  • 501 - Compositions: ceramic