1139198

Information

• Patent Grant
• 1139198

• References
• Source

• Patent Number

  1,139,198

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1915
  109 years ago

• CPC

  • B27G15/00 - Boring or turning tools Augers
  • Y10T408/8967 - and central lead-screw

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool