2931253

Information

• Patent Grant
• 2931253

• References
• Source

• Patent Number

  2,931,253

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  64 years ago

• CPC

  • B23B39/04 - Co-ordinate boring or drilling machines Machines for making holes without previous marking
  • Y10T408/21 - with signal, indicator, illuminator or optical means
  • Y10T408/6779 - Rack and pinion

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool