2216557

Information

• Patent Grant
• 2216557

• References
• Source

• Patent Number

  2,216,557

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1940
  84 years ago

• CPC

  • B23B31/023 - for screw-threads
  • B25B23/103 - for gripping threaded studs
  • Y10T279/17256 - Reciprocating cam sleeve

• US Classifications

  • 081 - Tools
  • 279 - Chucks or sockets