3800121

Information

• Patent Grant
• 3800121

• References
• Source

• Patent Number

  3,800,121

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • B64D15/12 - by electric heating
  • H05B3/283 - the insulating material being an inorganic material
  • H05B3/286 - the insulating material being an organic material
  • B64D2700/62078 - by electric heating
  • H05B2214/02 - Heaters specially designed for de-icing or protection against icing

• US Classifications

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