3877099

Information

• Patent Grant
• 3877099

• References
• Source

• Patent Number

  3,877,099

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • B23B51/108 - having a centering twist drill
  • B23D77/08 - by spreading slotted parts of the tool body
  • Y10T408/60 - Plural tool-assemblages

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 408 - Cutting by use of rotating axially moving tool