2804411

Information

• Patent Grant
• 2804411

• References
• Source

• Patent Number

  2,804,411

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1957
  67 years ago

• CPC

  • C23C8/22 - of ferrous surfaces
  • C23C8/00 - Solid state diffusion of only non-metal elements into metallic material surfaces Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating
  • C23C8/66 - of ferrous surfaces

• US Classifications

  • 148 - Metal treatment
  • 175 - Boring or penetrating the earth