3875777

Information

• Patent Grant
• 3875777

• References
• Source

• Patent Number

  3,875,777

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  49 years ago

• CPC

  • C21D7/13 - by hot working
  • B21B45/0263 - using solid lubricants
  • C10M103/06 - Metal compounds
  • C23C24/00 - Coating starting from inorganic powder
  • B21B45/0248 - using liquid lubricants
  • Y10S72/70 - Deforming specified alloys or uncommon metal or bimetallic work
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working