1418509

Information

• Patent Grant
• 1418509

• References
• Source

• Patent Number

  1,418,509

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1922
  102 years ago

• CPC

  • E01B5/10 - Composite grooved rails Inserts for grooved rails

• US Classifications

  • 238 - Railways: surface track