260314

Information

• Patent Grant
• 260314

• References
• Source

• Patent Number

  260,314

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1882
  142 years ago

• CPC

  • B23B51/02 - Twist drills
  • B23B2251/247 - Drilling tools having a working portion at both ends of the shank
  • Y10T279/15 - Threaded grip
  • Y10T279/17 - Socket type
  • Y10T279/17965 - Drill type
  • Y10T403/7009 - Rotary binding cam or wedge
  • Y10T408/9097 - Spiral channel
  • Y10T408/9098 - with means to retain Tool to support

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 279 - Chucks or sockets
  • 403 - Joints and connections