3537731

Information

• Patent Grant
• 3537731

• References
• Source

• Patent Number

  3,537,731

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1970
  54 years ago

• CPC

  • F16L19/046 - consisting of a soft ring
  • F16L17/067 - Plastics sealing rings
  • F16L19/05 - with a rigid pressure ring between the screwed member and the exterior of the flared pipe end

• US Classifications

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