2231811

Information

• Patent Grant
• 2231811

• References
• Source

• Patent Number

  2,231,811

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  84 years ago

• CPC

  • C03B27/03 - the liquid being a molten metal or a molten salt

• US Classifications

  • 220 - Receptacles
  • 065 - Glass manufacturing
  • 215 - Bottles and jars