1441307

Information

• Patent Grant
• 1441307

• References
• Source

• Patent Number

  1,441,307

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1923
  101 years ago

• CPC

  • G01K13/10 - for measuring temperature within piled or stacked materials
  • Y10S246/02 - Thermal sensing devices

• US Classifications

  • 340 - Communications: electrical
  • 116 - Signals and indicators
  • 246 - Railway switches and signals
  • 374 - Thermal measuring and testing