891580

Information

• Patent Grant
• 891580

• References
• Source

• Patent Number

  891,580

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1908
  116 years ago

• CPC

  • E03C1/288 - having non-return valves against return of waste water
  • Y10T137/4501 - Ball valve
  • Y10T137/4576 - U-seals
  • Y10T137/863 - Access and outlet

• US Classifications

  • 137 - Fluid handling