3444898

Information

• Patent Grant
• 3444898

• References
• Source

• Patent Number

  3,444,898

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1969
  55 years ago

• CPC

  • F16L55/1125 - fixed by rotating a limited amplitude

• US Classifications

  • 138 - Pipes and tubular conduits
  • 166 - Wells
  • 220 - Receptacles