3114331

Information

• Patent Grant
• 3114331

• References
• Source

• Patent Number

  3,114,331

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1963
  61 years ago

• CPC

  • E01B31/26 - Inserting or removing inserts or fillings for holes in sleepers

• US Classifications

  • 104 - Railways
  • 227 - Elongated-member-driving apparatus
  • 238 - Railways: surface track