3908705

Information

• Patent Grant
• 3908705

• References
• Source

• Patent Number

  3,908,705

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • F16L59/025 - with more then two segments
  • F16L59/07 - the air layer being enclosed by one or more layers of insulation

• US Classifications

  • 138 - Pipes and tubular conduits