3227797

Information

• Patent Grant
• 3227797

• References
• Source

• Patent Number

  3,227,797

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • G05D23/224 - using selfs or transformers

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 065 - Glass manufacturing
  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation