437831

Information

• Patent Grant
• 437831

• References
• Source

• Patent Number

  437,831

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1890
  134 years ago

• CPC

  • E03B9/14 - Draining devices for hydrants
  • Y10T137/5421 - Piston type valve

• US Classifications

  • 137 - Fluid handling