2294969

Information

• Patent Grant
• 2294969

• References
• Source

• Patent Number

  2,294,969

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1942
  83 years ago

• CPC

  • B23B51/02 - Twist drills
  • B23B2251/02 - Connections between shanks and removable cutting heads
  • B23B2251/606 - being a twist drill
  • Y10S82/901 - Chip removal
  • Y10T408/906 - Axially spaced
  • Y10T408/9065 - with central lead

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 076 - Metal tools and implements, making
  • 082 - Turning