3688242

Information

• Patent Grant
• 3688242

• References
• Source

• Patent Number

  3,688,242

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • H05B3/10 - Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
  • H01B1/00 - Conductors or conductive bodies characterised by the conductive materials Selection of materials as conductors
  • H01B1/18 - the conductive material comprising carbon-silicon compounds, carbon or silicon
  • H01C1/08 - Cooling, heating or ventilating arrangements
  • H01C7/001 - Mass resistors
  • H01H33/165 - Details concerning the impedances
  • H05B3/141 - Conductive ceramics

• US Classifications

  • 338 - Electrical resistors
  • 218 - High-voltage switches with arc preventing or extinguishing devices