211738

Information

• Patent Grant
• 211738

• References
• Source

• Patent Number

  211,738

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1879
  146 years ago

• CPC

  • F42B19/40 - by expelling liquid ballast
  • B63H21/21 - Control means for engine or transmission, specially adapted for use on marine vessels
  • B63H21/02 - the vessels being steam-driven
  • Y10T137/085 - Pressure or head controlled

• US Classifications

  • 137 - Fluid handling