3545331

Information

• Patent Grant
• 3545331

• References
• Source

• Patent Number

  3,545,331

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  54 years ago

• CPC

  • F16B37/002 - cutting threads during screwing; removing paint or dirt layers covering threaded shanks
  • B21K1/64 - nuts
  • Y10S411/03 - Utilizing fluid pressure

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 470 - Threaded, headed fastener, or washer making: process and apparatus