508351

Information

• Patent Grant
• 508351

• References
• Source

• Patent Number

  508,351

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1893
  132 years ago

• CPC

  • F24H1/18 - Water storage heaters
  • F24D3/085 - Double-walled tanks
  • Y10T29/49865 - by temperature differential [e.g., shrink fit]

• US Classifications

  • 126 - Stoves and furnaces
  • 029 - Metal working
  • 220 - Receptacles