2794939

Information

• Patent Grant
• 2794939

• References
• Source

• Patent Number

  2,794,939

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1957
  67 years ago

• CPC

  • G05F1/607 - using discharge tubes in parallel with the load as final control devices
  • G05F1/52 - using discharge tubes in series with the load as final control devices

• US Classifications

  • 315 - Electric lamp and discharge devices: systems