2225667

Information

• Patent Grant
• 2225667

• References
• Source

• Patent Number

  2,225,667

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1940
  84 years ago

• CPC

  • C03B37/08 - Bushings
  • C03B37/02 - by drawing or extruding
  • C03B37/0213 - by forced gas cooling
  • C03B37/092 - Direct-resistance heating
  • C03B2205/02 - Upward drawing

• US Classifications

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