2371498

Information

• Patent Grant
• 2371498

• References
• Source

• Patent Number

  2,371,498

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1945
  79 years ago

• CPC

  • E21B23/006 - "J-slot" systems
  • E21B4/10 - continuous unidirectional rotary motion of shaft or drilling pipe effecting consecutive impacts
  • Y10T74/18016 - Oscillating to reciprocating and intermittent rotary

• US Classifications

  • 175 - Boring or penetrating the earth
  • 074 - Machine element or mechanism