1681699

Information

• Patent Grant
• 1681699

• References
• Source

• Patent Number

  1,681,699

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1928
  96 years ago

• CPC

  • E21B17/043 - with locking means
  • Y10T279/17941 - Nut lock
  • Y10T403/148 - to biased component
  • Y10T403/15 - Closure or plug spaced from joint

• US Classifications

  • 403 - Joints and connections
  • 279 - Chucks or sockets