2520754

Information

• Patent Grant
• 2520754

• References
• Source

• Patent Number

  2,520,754

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  74 years ago

• CPC

  • E01B3/32 - with armouring or reinforcement

• US Classifications

  • 238 - Railways: surface track