1626663

Information

• Patent Grant
• 1626663

• References
• Source

• Patent Number

  1,626,663

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1927
  98 years ago

• CPC

  • G01J5/28 - using photo-emissive, photo-conductive, or photo-voltaic cells
  • Y10S236/15 - Photocell

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 110 - Furnaces
  • 219 - Electric heating
  • 250 - Radiant energy
  • 266 - Metallurgical apparatus
  • 356 - Optics: measuring and testing
  • 361 - Electricity: electrical systems and devices
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing