1987504

Information

• Patent Grant
• 1987504

• References
• Source

• Patent Number

  1,987,504

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1935
  90 years ago

• CPC

  • B23B47/34 - Arrangements for removing chips out of the holes made Chip- breaking arrangements attached to the tool
  • B23B31/20 - Longitudinally-split sleeves
  • B23B51/00 - Tools for drilling machines
  • B23B2251/62 - Drilling tools having means to reinforce the shank
  • Y10T279/17512 - Loose jaws
  • Y10T408/953 - Clamping jaws

• US Classifications

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