3587657

Information

• Patent Grant
• 3587657

• References
• Source

• Patent Number

  3,587,657

• Date Filed

  Not available

• Date Issued

  Monday, June 28, 1971
  53 years ago

• CPC

  • F16L59/022 - with a single slit
  • F16L9/127 - the walls consisting of a single layer
  • F16L9/18 - Double-walled pipes Multi-channel pipes or pipe assemblies
  • F16L9/22 - Pipes composed of a plurality of segments
  • H02G3/0481 - with a circular cross-section
  • Y10S174/11 - Zipper tubes

• US Classifications

  • 138 - Pipes and tubular conduits
  • 174 - Electricity: conductors and insulators