3670543

Information

• Patent Grant
• 3670543

• References
• Source

• Patent Number

  3,670,543

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • B21D45/065 - for deep-drawn cans
  • B21D22/201 - Work-pieces; preparation of the work-pieces

• US Classifications

  • 072 - Metal deforming