3509916

Information

• Patent Grant
• 3509916

• References
• Source

• Patent Number

  3,509,916

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  55 years ago

• CPC

  • F15B1/18 - Anti-extrusion means
  • F15B1/22 - Liquid port constructions
  • F15B2201/205 - using gas
  • F15B2201/3152 - the flexible separating means being bladders
  • F15B2201/41 - Liquid ports
  • F15B2201/411 - having valve means
  • F15B2201/4155 - having valve means
  • F15B2201/43 - Anti-extrusion means
  • F15B2201/435 - being fixed to the separating means
  • Y10T29/49918 - At cup or tube end

• US Classifications

  • 138 - Pipes and tubular conduits
  • 029 - Metal working
  • 220 - Receptacles