1379986

Information

• Patent Grant
• 1379986

• References
• Source

• Patent Number

  1,379,986

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1921
  103 years ago

• CPC

  • B23B31/16129 - Form of the jaws
  • B23B31/1261 - pivotally movable in a radial plane
  • B23B31/16125 - Details of the jaws
  • Y10T279/17726 - Roller and rocking jaw

• US Classifications

  • 279 - Chucks or sockets