2950088

Information

• Patent Grant
• 2950088

• References
• Source

• Patent Number

  2,950,088

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1960
  64 years ago

• CPC

  • E21B4/12 - Electrically operated hammers
  • H02K33/12 - with armature moving in alternate directions by alternate energisation of two coil systems
  • H02K33/16 - with polarised armature moving in alternate directions by reversal or energisation of a single coil system

• US Classifications

  • 173 - Tool driving or impacting
  • 060 - Power plants
  • 175 - Boring or penetrating the earth
  • 310 - Electrical generator or motor structure