1829659

Information

• Patent Grant
• 1829659

• References
• Source

• Patent Number

  1,829,659

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1931
  93 years ago

• CPC

  • B23B51/0406 - Drills with a tubular body
  • B23B2251/247 - Drilling tools having a working portion at both ends of the shank
  • B23B2265/324 - Pentagonal
  • B23B2265/326 - Hexagonal
  • B23B2265/328 - Octagonal
  • Y10T83/9314 - Pointed perforators
  • Y10T408/895 - Having axial, core-receiving central portion

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 079 - Button making
  • 083 - Cutting
  • 125 - Stone working
  • 175 - Boring or penetrating the earth
  • D15 - Machines not elsewhere specified