91247

Information

• Patent Grant
• 91247

• References
• Source

• Patent Number

  91,247

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1869
  155 years ago

• CPC

  • F22D7/02 - Saddles or like directing plates fitted to furnace tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers