1404641

Information

• Patent Grant
• 1404641

• References
• Source

• Patent Number

  1,404,641

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1922
  102 years ago

• CPC

  • E01B5/14 - Rails for special parts of the track

• US Classifications

  • 238 - Railways: surface track