771512

Information

• Patent Grant
• 771512

• References
• Source

• Patent Number

  771,512

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1904
  120 years ago

• CPC

  • F28F27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
  • F24F11/0012 - Air temperature
  • Y10S165/001 - with alarm, indicator, recorder, test, or inspection means

• US Classifications

  • 165 - Heat exchange
  • 054 - Harness for working animal
  • 122 - Liquid heaters and vaporizers
  • 236 - Automatic temperature and humidity regulation