1717186

Information

• Patent Grant
• 1717186

• References
• Source

• Patent Number

  1,717,186

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1929
  96 years ago

• CPC

  • E21B17/043 - with locking means
  • Y10S411/949 - Rachet and bolt-carried pawl
  • Y10S411/999 - with retainer
  • Y10T279/17941 - Nut lock
  • Y10T403/1674 - for latch or retainer
  • Y10T403/589 - Cam or thread lock
  • Y10T403/602 - by separate spring
  • Y10T403/68 - Screw or cam

• US Classifications

  • 403 - Joints and connections
  • 279 - Chucks or sockets
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener