2138944

Information

• Patent Grant
• 2138944

• References
• Source

• Patent Number

  2,138,944

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1938
  86 years ago

• CPC

  • B25D17/084 - Rotating chucks or sockets
  • B25D2217/0069 - Protecting chucks against entering of chip dust
  • Y10T279/17068 - Rotary socket

• US Classifications

  • 279 - Chucks or sockets
  • 173 - Tool driving or impacting