3886981

Information

• Patent Grant
• 3886981

• References
• Source

• Patent Number

  3,886,981

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • F16L59/025 - with more then two segments
  • B21C37/09 - of coated strip material; Making multi-wall tubes
  • B29C63/00 - Lining or sheathing
  • F16L59/028 - Composition or method of fixing a thermally insulating material

• US Classifications

  • 138 - Pipes and tubular conduits