3248747

Information

• Patent Grant
• 3248747

• References
• Source

• Patent Number

  3,248,747

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1966
  58 years ago

• CPC

  • B21H3/10 - twist-drills screw-taps
  • B23G7/02 - Tools for this purpose

• US Classifications

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