3185809

Information

• Patent Grant
• 3185809

• References
• Source

• Patent Number

  3,185,809

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1965
  59 years ago

• CPC

  • G05D23/2453 - using discharge tubes

• US Classifications

  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation