728840

Information

• Patent Grant
• 728840

• References
• Source

• Patent Number

  728,840

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1903
  121 years ago

• CPC

  • F22G7/08 - in fire-boxes
  • F22B11/00 - Steam boilers of combined fire-tube type and water-tube type

• US Classifications

  • 122 - Liquid heaters and vaporizers