3841554

Information

• Patent Grant
• 3841554

• References
• Source

• Patent Number

  3,841,554

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • E01B1/001 - Track with ballast
  • E01B2204/03 - Injecting, mixing or spraying additives into or onto ballast or underground

• US Classifications

  • 238 - Railways: surface track