1239931

Information

• Patent Grant
• 1239931

• References
• Source

• Patent Number

  1,239,931

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1917
  107 years ago

• CPC

  • F22B37/263 - Valves with water separators

• US Classifications

  • 122 - Liquid heaters and vaporizers