3680340

Information

• Patent Grant
• 3680340

• References
• Source

• Patent Number

  3,680,340

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B21C3/12 - Die holders Rotating dies
  • B21C3/02 - Dies Selection of material therefor Cleaning thereof

• US Classifications

  • 072 - Metal deforming