2556622

Information

• Patent Grant
• 2556622

• References
• Source

• Patent Number

  2,556,622

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1951
  73 years ago

• CPC

  • E01B3/32 - with armouring or reinforcement

• US Classifications

  • 238 - Railways: surface track