2921802

Information

• Patent Grant
• 2921802

• References
• Source

• Patent Number

  2,921,802

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  66 years ago

• CPC

  • B64D13/02 - the air being pressurised
  • F16L37/23 - by means of balls
  • F16L37/32 - at least one of two lift valves being opened automatically when the coupling is applied
  • B64D2700/62035 - Pressure control valves
  • Y10S285/919 - Resinous

• US Classifications

  • 285 - Pipe joints or couplings
  • 188 - Brakes