1182858

Information

• Patent Grant
• 1182858

• References
• Source

• Patent Number

  1,182,858

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1916
  108 years ago

• CPC

  • F04B53/04 - Draining
  • Y10T137/7876 - With external means for opposing bias
  • Y10T137/86179 - Drain valve actuator mounted on pump

• US Classifications

  • 166 - Wells
  • 137 - Fluid handling
  • 251 - Valves and valve actuation