3739616

Information

• Patent Grant
• 3739616

• References
• Source

• Patent Number

  3,739,616

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • B21C3/06 - with adjustable section
  • B21C1/24 - by means of mandrels
  • B21C37/18 - conical tubes

• US Classifications

  • 072 - Metal deforming