3708685

Information

• Patent Grant
• 3708685

• References
• Source

• Patent Number

  3,708,685

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1973
  52 years ago

• CPC

  • H03K17/73 - for dc voltages or currents
  • B66C1/08 - Circuits therefor
  • B66C13/18 - Control systems or devices
  • H01F7/18 - Circuit arrangements for obtaining desired operating characteristics
  • B66C2700/087 - Electrical assemblies or electrical control devices for electrically actuated grabs

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 363 - Electric power conversion systems