3023294

Information

• Patent Grant
• 3023294

• References
• Source

• Patent Number

  3,023,294

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1962
  62 years ago

• CPC

  • G05D23/306 - using semiconductor devices

• US Classifications

  • 219 - Electric heating
  • 099 - Foods and beverages: apparatus
  • 236 - Automatic temperature and humidity regulation
  • 361 - Electricity: electrical systems and devices