1929808

Information

• Patent Grant
• 1929808

• References
• Source

• Patent Number

  1,929,808

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • F16B39/26 - with spring washers fastened to the nut or bolt-head
  • Y10S411/958 - Coiled washer
  • Y10S411/96 - Friction

• US Classifications

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