1769643

Information

• Patent Grant
• 1769643

• References
• Source

• Patent Number

  1,769,643

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1930
  94 years ago

• CPC

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

• US Classifications

  • 238 - Railways: surface track