2439422

Information

• Patent Grant
• 2439422

• References
• Source

• Patent Number

  2,439,422

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1948
  76 years ago

• CPC

  • B23D77/10 - by expanding a tube-like non-slotted part of the tool body
  • B23D2277/56 - comprising an indication scale
  • Y10T407/1642 - Annular tool
  • Y10T408/8923 - Removable central lead
  • Y10T408/898 - Helical ribbon Tool

• US Classifications

  • 407 - Cutters, for shaping
  • 408 - Cutting by use of rotating axially moving tool