3840723

Information

• Patent Grant
• 3840723

• References
• Source

• Patent Number

  3,840,723

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • A45D20/38 - Arrangement of the electric heating means

• US Classifications

  • 392 - Electric resistance heating devices
  • 034 - Drying and gas or vapor contact with solids
  • 165 - Heat exchange
  • 219 - Electric heating
  • 338 - Electrical resistors