3717021

Information

• Patent Grant
• 3717021

• References
• Source

• Patent Number

  3,717,021

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • B21B31/028 - Prestressing of rolls or roll mountings in stand frames
  • B21B31/04 - with tie rods in frameless stands

• US Classifications

  • 072 - Metal deforming