1538093

Information

• Patent Grant
• 1538093

• References
• Source

• Patent Number

  1,538,093

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • E21B17/0426 - with a threaded cylindrical portion
  • Y10S403/02 - Metal treatment
  • Y10T279/17948 - Threaded sleeve
  • Y10T403/51 - including spaced, diverse connections

• US Classifications

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