2154560

Information

• Patent Grant
• 2154560

• References
• Source

• Patent Number

  2,154,560

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  86 years ago

• CPC

  • B23B31/202 - Details of the jaws
  • B23B51/108 - having a centering twist drill
  • Y10T279/17299 - Threaded cam sleeve
  • Y10T279/35 - Miscellaneous
  • Y10T408/8729 - with work-engaging structure other than cutting edge

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 279 - Chucks or sockets