3727969

Information

• Patent Grant
• 3727969

• References
• Source

• Patent Number

  3,727,969

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • B61F15/20 - Details
  • Y10S411/984 - Longitudinal
  • Y10S411/99 - Washer tongue-held

• US Classifications

  • 295 - Railway wheels and axles
  • 105 - Railway rolling stock
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener