3353390

Information

• Patent Grant
• 3353390

• References
• Source

• Patent Number

  3,353,390

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1967
  57 years ago

• CPC

  • B21H3/048 - working tangentially
  • Y10S72/703 - Knurling

• US Classifications

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