3452638

Information

• Patent Grant
• 3452638

• References
• Source

• Patent Number

  3,452,638

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • F16B19/1054 - the pull-mandrel or the like being frangible
  • E06B3/5828 - on or with auxiliary pieces

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener