2729221

Information

• Patent Grant
• 2729221

• References
• Source

• Patent Number

  2,729,221

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1956
  69 years ago

• CPC

  • F17D5/005 - of gas pipelines
  • Y10T137/1827 - With heater for destructible or fusible element
  • Y10T137/1915 - Burner gas cutoff
  • Y10T137/6606 - With electric heating element
  • Y10T137/8242 - Electrical

• US Classifications

  • 137 - Fluid handling
  • 048 - Gas: heating and illuminating
  • 200 - Electricity: circuit makers and breakers
  • 251 - Valves and valve actuation
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices