1939658

Information

• Patent Grant
• 1939658

• References
• Source

• Patent Number

  1,939,658

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • F16L55/1715 - the ring or the sleeve being tightened by hooks, pawls, or other movable members

• US Classifications

  • 138 - Pipes and tubular conduits