2802977

Information

• Patent Grant
• 2802977

• References
• Source

• Patent Number

  2,802,977

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1957
  67 years ago

• CPC

  • H02P7/26 - using discharge tubes
  • Y10S388/914 - Thyratron or ignitron

• US Classifications

  • 388 - Electricity: motor control systems