2647420

Information

• Patent Grant
• 2647420

• References
• Source

• Patent Number

  2,647,420

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1953
  71 years ago

• CPC

  • B23B45/12 - by using a ratchet brace
  • Y10T408/637 - with thrust applying means
  • Y10T408/68 - Tool or tool-support with thrust-applying machine-engaging screw

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool