3628461

Information

• Patent Grant
• 3628461

• References
• Source

• Patent Number

  3,628,461

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • E01B29/17 - Lengths of rails assembled into strings
  • E01B29/28 - the fastening means being of screw-and-nut type Apparatus therefor, adapted to additionally drilling holes

• US Classifications

  • 104 - Railways