1279302

Information

• Patent Grant
• 1279302

• References
• Source

• Patent Number

  1,279,302

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1918
  106 years ago

• CPC

  • B23B51/108 - having a centering twist drill
  • Y10T279/17786 - Spring
  • Y10T292/869 - Spring arm
  • Y10T408/8734 - including central Tool axially movable relative to support

• US Classifications

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