3571833

Information

• Patent Grant
• 3571833

• References
• Source

• Patent Number

  3,571,833

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1971
  54 years ago

• CPC

  • B21K1/707 - Self-locking nuts
  • B29D1/00 - Producing articles with screw-threads

• US Classifications

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