121864

Information

• Patent Grant
• 121864

• References
• Source

• Patent Number

  121,864

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1871
  153 years ago

• CPC

  • F22B35/105 - operating at sliding pressure

• US Classifications

  • 060 - Power plants
  • 122 - Liquid heaters and vaporizers