1895998

Information

• Patent Grant
• 1895998

• References
• Source

• Patent Number

  1,895,998

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1933
  91 years ago

• CPC

  • C21D1/54 - Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties
  • C21D1/63 - for bath quenching

• US Classifications

  • 148 - Metal treatment
  • 266 - Metallurgical apparatus