3674904

Information

• Patent Grant
• 3674904

• References
• Source

• Patent Number

  3,674,904

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • C03B5/0334 - Pot furnaces; Core furnaces
  • C03B19/09 - by fusing powdered glass in a shaping mould
  • F27D11/02 - Ohmic resistance heating

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 065 - Glass manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes