620290

Information

• Patent Grant
• 620290

• References
• Source

• Patent Number

  620,290

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1899
  125 years ago

• CPC

  • F22B37/263 - Valves with water separators

• US Classifications

  • 122 - Liquid heaters and vaporizers