1801785

Information

• Patent Grant
• 1801785

• References
• Source

• Patent Number

  1,801,785

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  93 years ago

• CPC

  • E01B11/24 - with oblique or overlapping rail ends

• US Classifications

  • 238 - Railways: surface track