3688802

Information

• Patent Grant
• 3688802

• References
• Source

• Patent Number

  3,688,802

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • B65F1/127 - by suction
  • B65F3/0209 - using suction
  • F16L11/118 - having arrangements for particular purposes
  • F16L37/58 - the extremities of the two halves of the joint being pressed against each other without being locked in position

• US Classifications

  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings
  • 414 - Material or article handling