3629012

Information

• Patent Grant
• 3629012

• References
• Source

• Patent Number

  3,629,012

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • C23C8/42 - only one element being applied
  • C23C8/52 - more than one element being applied in one step
  • C23C8/76 - of ferrous surfaces
  • C23C26/00 - Coating not provided for in groups C23C2/00 - C23C24/00

• US Classifications

  • 148 - Metal treatment