3345846

Information

• Patent Grant
• 3345846

• References
• Source

• Patent Number

  3,345,846

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1967
  57 years ago

• CPC

  • C21D1/74 - Methods of treatment in inert gas, controlled atmosphere, vacuum, or pulverulent material
  • B21J17/00 - Forge furnaces
  • C21D7/13 - by hot working
  • F27D7/00 - Forming, maintaining, or circulating atmospheres in heating chambers

• US Classifications

  • 072 - Metal deforming
  • 148 - Metal treatment
  • 266 - Metallurgical apparatus
  • 432 - Heating