1966231

Information

• Patent Grant
• 1966231

• References
• Source

• Patent Number

  1,966,231

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1934
  90 years ago

• CPC

  • F16L13/0272 - having an external coating
  • Y10S220/18 - Refrigerator linings

• US Classifications

  • 285 - Pipe joints or couplings
  • 138 - Pipes and tubular conduits
  • 220 - Receptacles