2457592

Information

• Patent Grant
• 2457592

• References
• Source

• Patent Number

  2,457,592

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1948
  75 years ago

• CPC

  • E01B9/12 - Retaining or locking devices for spikes or screws

• US Classifications

  • 238 - Railways: surface track