3509824

Information

• Patent Grant
• 3509824

• References
• Source

• Patent Number

  3,509,824

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • H02H7/09 - against over-voltage against reduction of voltage against phase interruption
  • H02H7/0827 - responsive to underload or no-load
  • H02H7/085 - against excessive load

• US Classifications

  • 417 - Pumps
  • 318 - Electricity: motive power systems