1391908

Information

• Patent Grant
• 1391908

• References
• Source

• Patent Number

  1,391,908

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1921
  103 years ago

• CPC

  • B23B31/16008 - Details of the jaws
  • Y10T279/1926 - Spiral cam or scroll actuated

• US Classifications

  • 279 - Chucks or sockets