3755839

Information

• Patent Grant
• 3755839

• References
• Source

• Patent Number

  3,755,839

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • B21K1/466 - Heading machines with an oscillating die block
  • B21J9/06 - Swaging presses Upsetting presses

• US Classifications

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