2020071

Information

• Patent Grant
• 2020071

• References
• Source

• Patent Number

  2,020,071

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • E03B9/14 - Draining devices for hydrants
  • Y10T137/5427 - Balanced valve
  • Y10T137/5538 - Waste through lower valve guide

• US Classifications

  • 137 - Fluid handling