2146568

Information

• Patent Grant
• 2146568

• References
• Source

• Patent Number

  2,146,568

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1939
  86 years ago

• CPC

  • F22B37/426 - Feed-water supply alarm devices using electric signals
  • F23N5/22 - with a time programme acting through mechanical means

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches