1678552

Information

• Patent Grant
• 1678552

• References
• Source

• Patent Number

  1,678,552

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1928
  96 years ago

• CPC

  • E01B21/02 - Special supporting means Draining of rails

• US Classifications

  • 238 - Railways: surface track