1898801

Information

• Patent Grant
• 1898801

• References
• Source

• Patent Number

  1,898,801

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • F16B39/108 - with a locking washer under the nut or bolt head having at least one tongue or lug folded against the nut or bolt head, or against the object itself
  • Y10S411/943 - Flexible washer
  • Y10S411/975 - Rotatable washer

• US Classifications

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