3334646

Information

• Patent Grant
• 3334646

• References
• Source

• Patent Number

  3,334,646

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1967
  57 years ago

• CPC

  • E03C1/104 - using a single check valve
  • E03C1/108 - having an aerating valve
  • E03C1/294 - with provisions against loss of water lock
  • Y10T137/3331 - With co-acting valve in liquid flow path
  • Y10T137/7885 - Multiple slit

• US Classifications

  • 137 - Fluid handling