3871689

Information

• Patent Grant
• 3871689

• References
• Source

• Patent Number

  3,871,689

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • F16L51/025 - with several corrugations
  • F16L5/025 - the pipe being movable
  • F16L59/121 - for pipes passing through walls or partitions
  • G21C13/036 - the tube passing through the vessel wall
  • G21C13/04 - Arrangements for expansion and contraction

• US Classifications

  • 285 - Pipe joints or couplings
  • 174 - Electricity: conductors and insulators