1948220

Information

• Patent Grant
• 1948220

• References
• Source

• Patent Number

  1,948,220

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  91 years ago

• CPC

  • E03C1/284 - having U-shaped trap
  • Y10T137/3222 - With liquid seal in liquid flow line
  • Y10T137/4259 - With separate material addition
  • Y10T137/4463 - Liquid seal in liquid flow line flow liquid forms seal
  • Y10T137/4493 - Pivoted valve

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings