2141453

Information

• Patent Grant
• 2141453

• References
• Source

• Patent Number

  2,141,453

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1938
  86 years ago

• CPC

  • G01N25/42 - continuously

• US Classifications

  • 374 - Thermal measuring and testing
  • 136 - Batteries: thermoelectric and photoelectric