2647769

Information

• Patent Grant
• 2647769

• References
• Source

• Patent Number

  2,647,769

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1953
  71 years ago

• CPC

  • F16L21/045 - the members passing through the sealing rings

• US Classifications

  • 285 - Pipe joints or couplings
  • 277 - Seal for a joint or juncture