3267993

Information

• Patent Grant
• 3267993

• References
• Source

• Patent Number

  3,267,993

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1966
  58 years ago

• CPC

  • C21D1/44 - in heat-treatment baths
  • G05D23/1919 - characterised by the type of controller

• US Classifications

  • 126 - Stoves and furnaces
  • 165 - Heat exchange