388444

Information

• Patent Grant
• 388444

• References
• Source

• Patent Number

  388,444

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1888
  136 years ago

• CPC

  • F22B35/105 - operating at sliding pressure

• US Classifications

  • 060 - Power plants
  • 122 - Liquid heaters and vaporizers
  • 237 - Heating systems