2297380

Information

• Patent Grant
• 2297380

• References
• Source

• Patent Number

  2,297,380

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1942
  82 years ago

• CPC

  • H02J13/0041 - using lamps or electromechanical means
  • Y10T307/375 - Different frequencies
  • Y10T307/438 - Limit control
  • Y10T307/729 - Condition responsive
  • Y10T307/852 - Frequency
  • Y10T307/937 - Switch actuation
  • Y10T307/944 - Power circuit controlled

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 322 - Electricity: single generator systems