3469430

Information

• Patent Grant
• 3469430

• References
• Source

• Patent Number

  3,469,430

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • C21D8/0294 - involving a localised treatment
  • B21C37/02 - of sheets
  • B21D19/005 - Edge deburring or smoothing
  • C21D8/0247 - characterised by the heat treatment
  • C21D2221/02 - Edge parts

• US Classifications

  • 072 - Metal deforming
  • 266 - Metallurgical apparatus