2690305

Information

• Patent Grant
• 2690305

• References
• Source

• Patent Number

  2,690,305

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1954
  70 years ago

• CPC

  • E01B9/08 - Elastic spikes
  • Y10S411/922 - Nail, spike or tack having locking device

• US Classifications

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