2394988

Information

• Patent Grant
• 2394988

• References
• Source

• Patent Number

  2,394,988

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1946
  78 years ago

• CPC

  • E01B31/06 - Making holes
  • Y10T408/561 - Having tool-opposing, work-engaging surface
  • Y10T408/96 - Miscellaneous

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool