3731509

Information

• Patent Grant
• 3731509

• References
• Source

• Patent Number

  3,731,509

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • B21C35/02 - Removing or drawing-off work
  • B21C1/00 - Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
  • B21C23/008 - Continuous extrusion

• US Classifications

  • 072 - Metal deforming