1618508

Information

• Patent Grant
• 1618508

• References
• Source

• Patent Number

  1,618,508

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1927
  97 years ago

• CPC

  • E01B3/42 - combined with inserts of wood or other material

• US Classifications

  • 238 - Railways: surface track