3079831

Information

• Patent Grant
• 3079831

• References
• Source

• Patent Number

  3,079,831

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1963
  61 years ago

• CPC

  • F16B25/103 - by means of a drilling screw-point
  • B21K1/56 - screw-threaded elements
  • F16B25/0084 - characterised by geometric details of the tip
  • Y10T408/9042 - and radially spaced cutting edge

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 076 - Metal tools and implements, making
  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • D08 - Tools and hardware