1770400

Information

• Patent Grant
• 1770400

• References
• Source

• Patent Number

  1,770,400

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  94 years ago

• CPC

  • E01B11/42 - Joint constructions for relatively movable rails

• US Classifications

  • 238 - Railways: surface track