1771515

Information

• Patent Grant
• 1771515

• References
• Source

• Patent Number

  1,771,515

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1930
  94 years ago

• CPC

  • F17B1/06 - using sealing liquids

• US Classifications

  • 048 - Gas: heating and illuminating