3311816

Information

• Patent Grant
• 3311816

• References
• Source

• Patent Number

  3,311,816

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1967
  57 years ago

• CPC

  • G05D23/2456 - using selfs or transformers
  • G05B11/013 - using discharge tubes

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 219 - Electric heating