2643680

Information

• Patent Grant
• 2643680

• References
• Source

• Patent Number

  2,643,680

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1953
  71 years ago

• CPC

  • F16L43/006 - telescopic

• US Classifications

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