3893319

Information

• Patent Grant
• 3893319

• References
• Source

• Patent Number

  3,893,319

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B21F43/00 - Making bands
  • B21C37/124 - the tubes having a special shape

• US Classifications

  • 072 - Metal deforming