1961138

Information

• Patent Grant
• 1961138

• References
• Source

• Patent Number

  1,961,138

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1934
  90 years ago

• CPC

  • F22B29/064 - involving horizontally- or helically-disposed water tubes
  • Y10S122/04 - Once through boilers
  • Y10S122/05 - Critical pressure

• US Classifications

  • 122 - Liquid heaters and vaporizers