592690

Information

• Patent Grant
• 592690

• References
• Source

• Patent Number

  592,690

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1897
  127 years ago

• CPC

  • E03C1/288 - having non-return valves against return of waste water
  • E03C1/295 - using air-supply valves
  • Y10T137/3258 - Automatic valve in vent line
  • Y10T137/4613 - Access opening
  • Y10T137/4621 - Seal for relatively movable valving parts
  • Y10T137/4643 - Liquid valves
  • Y10T137/474 - With housings, supports or stacking arrangements
  • Y10T137/7436 - Float rigid with valve

• US Classifications

  • 137 - Fluid handling