1552681

Information

• Patent Grant
• 1552681

• References
• Source

• Patent Number

  1,552,681

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1925
  101 years ago

• CPC

  • F16B39/10 - by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
  • Y10S411/943 - Flexible washer
  • Y10S411/944 - Flexible key

• US Classifications

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