3927460

Information

• Patent Grant
• 3927460

• References
• Source

• Patent Number

  3,927,460

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • C23F15/00 - Other methods of preventing corrosion or incrustation
  • B21D22/201 - Work-pieces; preparation of the work-pieces
  • B21D37/18 - Lubricating
  • C23D3/00 - Chemical treatment of the metal surfaces prior to coating
  • C23F3/02 - Light metals
  • C23F3/06 - with acidic solutions
  • C25F3/02 - Etching
  • C25F3/06 - of iron or steel
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer
  • Y10T29/49986 - Subsequent to metal working

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 427 - Coating processes