1900922

Information

• Patent Grant
• 1900922

• References
• Source

• Patent Number

  1,900,922

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1933
  92 years ago

• CPC

  • B23B31/202 - Details of the jaws
  • B23B2222/28 - Details of hard metal
  • B23B2231/2059 - Hard inserts
  • Y10T29/49993 - Filling of opening
  • Y10T279/17358 - with jaw pads or insert
  • Y10T279/17452 - with jaw pads or insert
  • Y10T279/1986 - Jaws

• US Classifications

  • 279 - Chucks or sockets
  • 029 - Metal working