1959344

Information

• Patent Grant
• 1959344

• References
• Source

• Patent Number

  1,959,344

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1934
  90 years ago

• CPC

  • C21D1/54 - Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties
  • C21D9/0062 - Heat-treating apparatus with a cooling or quenching zone
  • C21D9/085 - Cooling or quenching

• US Classifications

  • 148 - Metal treatment
  • 219 - Electric heating
  • 266 - Metallurgical apparatus