1641229

Information

• Patent Grant
• 1641229

• References
• Source

• Patent Number

  1,641,229

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1927
  97 years ago

• CPC

  • F22B37/428 - Feed-water supply alarm devices using dilatation of solids or liquids

• US Classifications

  • 073 - Measuring and testing
  • 340 - Communications: electrical
  • 346 - Recorders