3437933

Information

• Patent Grant
• 3437933

• References
• Source

• Patent Number

  3,437,933

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1969
  55 years ago

• CPC

  • H03G1/0041 - using thermistors
  • H01C7/04 - having negative temperature coefficient
  • H03G1/0076 - using galvanomagnetic elements
  • H03H7/251 - the element being a thermistor
  • H04B1/64 - Volume compression or expansion arrangements

• US Classifications

  • 455 - Telecommunications