3147792

Information

• Patent Grant
• 3147792

• References
• Source

• Patent Number

  3,147,792

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1964
  60 years ago

• CPC

  • B21D9/055 - Construction of forming members having more than one groove
  • B21D9/07 - with one or more swinging forming members engaging tube ends only

• US Classifications

  • 072 - Metal deforming