2760757

Information

• Patent Grant
• 2760757

• References
• Source

• Patent Number

  2,760,757

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1956
  68 years ago

• CPC

  • E01C23/094 - about vertical or inclined axes
  • E01C23/0946 - specially for forming recesses to receive marking materials or markers
  • E21B7/021 - With a rotary table
  • Y10T408/556 - Tool supporting wheel

• US Classifications

  • 173 - Tool driving or impacting
  • 104 - Railways
  • 125 - Stone working
  • 175 - Boring or penetrating the earth
  • 404 - Road structure, process, or apparatus
  • 408 - Cutting by use of rotating axially moving tool