3657910

Information

• Patent Grant
• 3657910

• References
• Source

• Patent Number

  3,657,910

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  53 years ago

• CPC

  • B21C1/22 - specially adapted for making tubular articles
  • B21C1/006 - using vibratory energy

• US Classifications

  • 072 - Metal deforming