2271912

Information

• Patent Grant
• 2271912

• References
• Source

• Patent Number

  2,271,912

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1942
  83 years ago

• CPC

  • E01B9/30 - by resilient steel clips
  • E01B9/08 - Elastic spikes

• US Classifications

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