2520494

Information

• Patent Grant
• 2520494

• References
• Source

• Patent Number

  2,520,494

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  74 years ago

• CPC

  • B01D3/42 - Regulation Control
  • B01D3/166 - Heating and/or cooling of plates

• US Classifications

  • 219 - Electric heating
  • 374 - Thermal measuring and testing
  • 392 - Electric resistance heating devices