3555937

Information

• Patent Grant
• 3555937

• References
• Source

• Patent Number

  3,555,937

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

  • B23B51/00 - Tools for drilling machines
  • B23B2222/28 - Details of hard metal
  • B23B2224/28 - Titanium carbide
  • B23B2226/31 - Diamond
  • B23B2240/08 - Brazed connections
  • B23B2240/21 - Glued connections
  • B23B2251/02 - Connections between shanks and removable cutting heads
  • B23B2251/68 - Drills with provision for suction
  • Y10T408/455 - Conducting channel extending to end of Tool
  • Y10T408/78 - Tool of specific diverse material
  • Y10T408/81 - Tool having crystalline cutting edge

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 175 - Boring or penetrating the earth