726647

Information

• Patent Grant
• 726647

• References
• Source

• Patent Number

  726,647

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1903
  121 years ago

• CPC

  • F42B19/40 - by expelling liquid ballast
  • Y10T137/085 - Pressure or head controlled

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation