528720

Information

• Patent Grant
• 528720

• References
• Source

• Patent Number

  528,720

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1894
  131 years ago

• CPC

  • F22B17/08 - the water-tube sets being curved

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces