3758731

Information

• Patent Grant
• 3758731

• References
• Source

• Patent Number

  3,758,731

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • H01H3/34 - using ratchet
  • E21B41/00 - Equipment or details not covered by groups E21B15/00 - E21B40/00
  • E21B43/11855 - mechanically actuated

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 166 - Wells
  • 175 - Boring or penetrating the earth