3781528

Information

• Patent Grant
• 3781528

• References
• Source

• Patent Number

  3,781,528

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • H05B3/748 - Resistive heating elements, i.e. heating elements exposed to the air
  • H05B3/22 - non-flexible
  • H05B3/688 - Fabrication of the plates

• US Classifications

  • 219 - Electric heating