1808944

Information

• Patent Grant
• 1808944

• References
• Source

• Patent Number

  1,808,944

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  95 years ago

• CPC

  • B23B31/117 - Retention by friction only
  • B23Q5/045 - Angle drives
  • Y10T279/17 - Socket type
  • Y10T279/17205 - Conical clamp threaded in socket
  • Y10T279/17444 - Split end to end
  • Y10T279/17881 - Screw

• US Classifications

  • 279 - Chucks or sockets
  • 433 - Dentistry