3528270

Information

• Patent Grant
• 3528270

• References
• Source

• Patent Number

  3,528,270

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1970
  54 years ago

• CPC

  • B21H9/02 - for screw-rolling machines

• US Classifications

  • 072 - Metal deforming
  • 470 - Threaded, headed fastener, or washer making: process and apparatus