3626985

Information

• Patent Grant
• 3626985

• References
• Source

• Patent Number

  3,626,985

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  53 years ago

• CPC

  • F16L9/18 - Double-walled pipes Multi-channel pipes or pipe assemblies
  • F16L55/09 - Air conditioning

• US Classifications

  • 138 - Pipes and tubular conduits
  • 251 - Valves and valve actuation