131191

Information

• Patent Grant
• 131191

• References
• Source

• Patent Number

  131,191

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1872
  152 years ago

• CPC

  • E03B9/14 - Draining devices for hydrants
  • Y10T137/538 - Expansible chamber operated by valve actuator for draining riser
  • Y10T137/5421 - Piston type valve

• US Classifications

  • 137 - Fluid handling