2089690

Information

• Patent Grant
• 2089690

• References
• Source

• Patent Number

  2,089,690

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1937
  88 years ago

• CPC

  • F27D11/04 - with direct passage of current through the material being heated
  • C03B5/027 - by passing an electric current between electrodes immersed in the glass bath
  • C03B5/0332 - Tank furnaces

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 065 - Glass manufacturing