3419667

Information

• Patent Grant
• 3419667

• References
• Source

• Patent Number

  3,419,667

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • C03B5/16 - Special features of the melting process Auxiliary means specially adapted for glass-melting furnaces
  • C03B5/0336 - Shaft furnaces
  • C03B5/225 - Refining
  • C03B37/081 - Indirect-melting bushings
  • C03B37/09 - electrically heated
  • C03B37/092 - Direct-resistance heating
  • Y10S65/04 - Electric heat

• US Classifications

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