2172612

Information

• Patent Grant
• 2172612

• References
• Source

• Patent Number

  2,172,612

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1939
  85 years ago

• CPC

  • F16L51/029 - consisting of flexible rings

• US Classifications

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