2640959

Information

• Patent Grant
• 2640959

• References
• Source

• Patent Number

  2,640,959

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  71 years ago

• CPC

  • H02P25/32 - using discharge tubes
  • Y10S388/914 - Thyratron or ignitron

• US Classifications

  • 388 - Electricity: motor control systems