3127197

Information

• Patent Grant
• 3127197

• References
• Source

• Patent Number

  3,127,197

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1964
  61 years ago

• CPC

  • E21B33/047 - for plural tubing strings
  • E21B2033/005 - Sealings characterised by their shape
  • Y10S285/906 - Equivalents
  • Y10T24/44239 - Encircling gripping member including semirigid band and operator for tightening
  • Y10T24/44487 - Closed by gravity or weight of structure-to-be-secured
  • Y10T24/44538 - Integral locking-means
  • Y10T24/44692 - Camming or wedging element

• US Classifications

  • 285 - Pipe joints or couplings
  • 024 - Buckles, buttons, clasps, etc.
  • 166 - Wells