2979974

Information

• Patent Grant
• 2979974

• References
• Source

• Patent Number

  2,979,974

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  63 years ago

• CPC

  • B23B29/03414 - adjustment of the tool placed in the hole being possible
  • Y10T408/85988 - Screws mounted on common shaft

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool