2163056

Information

• Patent Grant
• 2163056

• References
• Source

• Patent Number

  2,163,056

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1939
  85 years ago

• CPC

  • A47J41/02 - Vacuum-jacket vessels
  • A47J41/024 - made of glass

• US Classifications

  • 215 - Bottles and jars