2972274

Information

• Patent Grant
• 2972274

• References
• Source

• Patent Number

  2,972,274

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1961
  64 years ago

• CPC

  • F16B19/05 - Bolts fastening by swaged-on collars
  • Y10T407/1642 - Annular tool

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 407 - Cutters, for shaping
  • 451 - Abrading