2757689

Information

• Patent Grant
• 2757689

• References
• Source

• Patent Number

  2,757,689

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1956
  68 years ago

• CPC

  • F16L55/052 - Pneumatic reservoirs
  • F15B1/20 - fixed to the separating means
  • F16L55/053 - the gas in the reservopir being separated from the fluid in the pipe
  • F15B2201/205 - using gas
  • F15B2201/3152 - the flexible separating means being bladders
  • F15B2201/415 - Gas ports
  • F15B2201/435 - being fixed to the separating means
  • F15B2201/51 - Pressure detection

• US Classifications

  • 138 - Pipes and tubular conduits
  • 092 - Expansible chamber devices
  • 200 - Electricity: circuit makers and breakers