1538436

Information

• Patent Grant
• 1538436

• References
• Source

• Patent Number

  1,538,436

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • F22B33/185 - in combination with a steam accumulator
  • F24D1/00 - Steam central heating systems
  • F24H1/00 - Water heaters having heat generating means

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 122 - Liquid heaters and vaporizers