2516672

Information

• Patent Grant
• 2516672

• References
• Source

• Patent Number

  2,516,672

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1950
  74 years ago

• CPC

  • G01J5/20 - using resistors, thermistors, or semi-conductors sensitive to radiation
  • G01N21/35 - using infra-red light
  • Y10S246/01 - Radiant energy devices

• US Classifications

  • 338 - Electrical resistors
  • 246 - Railway switches and signals
  • 250 - Radiant energy
  • 330 - Amplifiers
  • 346 - Recorders
  • 374 - Thermal measuring and testing