121522

Information

• Patent Grant
• 121522

• References
• Source

• Patent Number

  121,522

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1871
  153 years ago

• CPC

  • F24F11/0012 - Air temperature
  • F28F27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
  • Y10S165/006 - Temperature

• US Classifications

  • 165 - Heat exchange
  • 425 - Plastic article or earthenware shaping or treating: apparatus