523448

Information

• Patent Grant
• 523448

• References
• Source

• Patent Number

  523,448

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1894
  130 years ago

• CPC

  • F22B37/145 - Flag-shaped panels built-up from tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers