1770831

Information

• Patent Grant
• 1770831

• References
• Source

• Patent Number

  1,770,831

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  94 years ago

• CPC

  • F22D5/16 - of fluids

• US Classifications

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