1901209

Information

• Patent Grant
• 1901209

• References
• Source

• Patent Number

  1,901,209

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1933
  91 years ago

• CPC

  • G01J5/0022 - for sensing the radiation of moving bodies
  • Y10S246/01 - Radiant energy devices

• US Classifications

  • 374 - Thermal measuring and testing
  • 136 - Batteries: thermoelectric and photoelectric
  • 246 - Railway switches and signals
  • 346 - Recorders