2704556

Information

• Patent Grant
• 2704556

• References
• Source

• Patent Number

  2,704,556

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1955
  69 years ago

• CPC

  • F16L11/121 - specially profiled cross sections
  • F16L11/081 - comprising one or more layers of a helically wound cord or wire
  • Y10S4/08 - Rubber seats
  • Y10S138/08 - Bent shaped retained
  • Y10T137/2934 - Gas lift valves for wells

• US Classifications

  • 138 - Pipes and tubular conduits
  • 004 - Baths, closets, sinks, and spittoons
  • 137 - Fluid handling
  • 362 - Illumination