3629663

Information

• Patent Grant
• 3629663

• References
• Source

• Patent Number

  3,629,663

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  52 years ago

• CPC

  • B66C1/08 - Circuits therefor
  • B66C13/18 - Control systems or devices
  • H01F7/1811 - demagnetising upon switching off, removing residual magnetism
  • H01F7/206 - Electromagnets for lifting, handling or transporting of magnetic pieces or material
  • B66C2700/087 - Electrical assemblies or electrical control devices for electrically actuated grabs

• US Classifications

  • 361 - Electricity: electrical systems and devices