244468

Information

• Patent Grant
• 244468

• References
• Source

• Patent Number

  244,468

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1881
  143 years ago

• CPC

  • E03C1/295 - using air-supply valves
  • Y10S137/903 - Rubber valve springs
  • Y10T137/3258 - Automatic valve in vent line
  • Y10T137/698 - Wall
  • Y10T137/7888 - With valve member flexing about securement

• US Classifications

  • 137 - Fluid handling