2161939

Information

• Patent Grant
• 2161939

• References
• Source

• Patent Number

  2,161,939

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1939
  85 years ago

• CPC

  • B23B31/202 - Details of the jaws
  • B23B2231/2037 - Roughened
  • B23B2231/2062 - Inserts mechanically clamped in the collet
  • Y10T279/17452 - with jaw pads or insert

• US Classifications

  • 279 - Chucks or sockets
  • 076 - Metal tools and implements, making