2091984

Information

• Patent Grant
• 2091984

• References
• Source

• Patent Number

  2,091,984

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1937
  87 years ago

• CPC

  • F22B19/00 - Water-tube boilers of combined horizontally-inclined type and vertical type
  • F22B37/141 - involving vertically-disposed water tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers