2490611

Information

• Patent Grant
• 2490611

• References
• Source

• Patent Number

  2,490,611

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • H05B3/06 - Heater elements structurally combined with coupling elements or holders
  • Y10T29/49083 - Heater type
  • Y10T29/49089 - Filling with powdered insulation
  • Y10T29/49094 - by oxidation

• US Classifications

  • 029 - Metal working
  • 174 - Electricity: conductors and insulators
  • 338 - Electrical resistors