3744528

Information

• Patent Grant
• 3744528

• References
• Source

• Patent Number

  3,744,528

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • F16L57/005 - specially adapted for the ends of pipes
  • B65D59/06 - Caps
  • F16L55/1141 - the plug being made of elastic material
  • F16L55/1286 - The closing device being a cap
  • F16L2201/80 - Dust covers

• US Classifications

  • 138 - Pipes and tubular conduits
  • 220 - Receptacles