1409988

Information

• Patent Grant
• 1409988

• References
• Source

• Patent Number

  1,409,988

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1922
  102 years ago

• CPC

  • E01B21/04 - Special fastenings, joint constructions, or tie-rods
  • E01B5/16 - Distance keepers

• US Classifications

  • 238 - Railways: surface track