2868057

Information

• Patent Grant
• 2868057

• References
• Source

• Patent Number

  2,868,057

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1959
  66 years ago

• CPC

  • F16B15/06 - with barbs
  • B21G3/26 - by cutting from strip or sheet material

• US Classifications

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