2990843

Information

• Patent Grant
• 2990843

• References
• Source

• Patent Number

  2,990,843

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • E03C1/104 - using a single check valve
  • E03C1/108 - having an aerating valve
  • Y10T137/2567 - Alternate or successive inflows
  • Y10T137/3331 - With co-acting valve in liquid flow path
  • Y10T137/7919 - Guide and seat integral unit

• US Classifications

  • 137 - Fluid handling