1985623

Information

• Patent Grant
• 1985623

• References
• Source

• Patent Number

  1,985,623

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1934
  91 years ago

• CPC

  • F24C7/008 - using electrode heaters

• US Classifications

  • 219 - Electric heating
  • 392 - Electric resistance heating devices