3225267

Information

• Patent Grant
• 3225267

• References
• Source

• Patent Number

  3,225,267

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1965
  59 years ago

• CPC

  • H05B6/66 - Circuits
  • G05D23/1951 - with control of the working time of a temperature controlling device
  • H03K17/288 - in tube switches

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 219 - Electric heating