3808976

Information

• Patent Grant
• 3808976

• References
• Source

• Patent Number

  3,808,976

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • E01B27/17 - combined with means for lifting, levlling or slewing the track
  • E01B2203/10 - Track-lifting or-lining devices or methods
  • E01B2203/12 - Tamping devices
  • E01B2203/145 - on the ballast

• US Classifications

  • 104 - Railways