3468148

Information

• Patent Grant
• 3468148

• References
• Source

• Patent Number

  3,468,148

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1969
  56 years ago

• CPC

  • B21F3/04 - externally on a mandrel or the like
  • B21F37/02 - of resilient rings

• US Classifications

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