3028442

Information

• Patent Grant
• 3028442

• References
• Source

• Patent Number

  3,028,442

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1962
  63 years ago

• CPC

  • C03B37/081 - Indirect-melting bushings
  • C03B37/091 - Indirect-resistance heating
  • G05D23/224 - using selfs or transformers

• US Classifications

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