2677298

Information

• Patent Grant
• 2677298

• References
• Source

• Patent Number

  2,677,298

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1954
  70 years ago

• CPC

  • E01B9/12 - Retaining or locking devices for spikes or screws
  • Y10S411/922 - Nail, spike or tack having locking device

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 238 - Railways: surface track