1249240

Information

• Patent Grant
• 1249240

• References
• Source

• Patent Number

  1,249,240

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1917
  107 years ago

• CPC

  • B23D77/00 - Reaming tools
  • B23B5/168 - with guiding devices
  • B23G1/22 - Machines specially designed for operating on pipes or tubes
  • B23D2277/68 - Pilots
  • B23D2277/74 - comprising serrations
  • Y10T408/9042 - and radially spaced cutting edge

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus