2856997

Information

• Patent Grant
• 2856997

• References
• Source

• Patent Number

  2,856,997

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • B23D21/14 - cutting inside the tube
  • Y10T83/397 - A tool has a sequence of motion in plural paths

• US Classifications

  • 083 - Cutting