3879974

Information

• Patent Grant
• 3879974

• References
• Source

• Patent Number

  3,879,974

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • B21D35/008 - involving vibration
  • B21D24/04 - Blank holders Mounting means therefor
  • B21D24/16 - Additional equipment in association with the tools

• US Classifications

  • 072 - Metal deforming