3689720

Information

• Patent Grant
• 3689720

• References
• Source

• Patent Number

  3,689,720

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • H01H3/3021 - using unidirectional coupling
  • H01H2003/3063 - Decoupling charging handle or motor at end of charging cycle or during charged condition
  • Y10T74/1568 - Automatic

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 074 - Machine element or mechanism
  • 185 - Motors: spring, weight, or animal powered
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets