1559022

Information

• Patent Grant
• 1559022

• References
• Source

• Patent Number

  1,559,022

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1925
  99 years ago

• CPC

  • G01K13/00 - Adaptations of thermometers for specific purposes
  • Y10S246/02 - Thermal sensing devices

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 246 - Railway switches and signals