3531850

Information

• Patent Grant
• 3531850

• References
• Source

• Patent Number

  3,531,850

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1970
  54 years ago

• CPC

  • F16B43/00 - Washers or equivalent devices Other devices for supporting bolt-heads or nuts
  • F16B2/005 - Means to increase the friction-coefficient
  • B60G2204/41 - Elastic mounts
  • B60G2204/44 - Centering or positioning means
  • Y10S411/957 - Biting tooth
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part
  • Y10T29/49952 - At least one part is nonmetallic
  • Y10T403/49 - Member deformed in situ

• US Classifications

  • 029 - Metal working
  • 403 - Joints and connections
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener