2816779

Information

• Patent Grant
• 2816779

• References
• Source

• Patent Number

  2,816,779

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  67 years ago

• CPC

  • F16L17/073 - the sealing rings having two lips parallel to each other

• US Classifications

  • 285 - Pipe joints or couplings