2990787

Information

• Patent Grant
• 2990787

• References
• Source

• Patent Number

  2,990,787

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • E01B29/10 - for inserting or removing sleepers
  • E01B27/11 - combined with concurrent renewal of track components

• US Classifications

  • 104 - Railways
  • 037 - Excavating