3397974

Information

• Patent Grant
• 3397974

• References
• Source

• Patent Number

  3,397,974

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1968
  56 years ago

• CPC

  • G05D23/224 - using selfs or transformers
  • C03B15/04 - from the free surface of the melt

• US Classifications

  • 065 - Glass manufacturing