3750299

Information

• Patent Grant
• 3750299

• References
• Source

• Patent Number

  3,750,299

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1973
  51 years ago

• CPC

  • E01B35/00 - Applications of measuring apparatus or devices for track-building purposes
  • E01B27/17 - combined with means for lifting, levlling or slewing the track
  • E01B35/06 - for measuring irregularities in longitudinal direction
  • G01C15/004 - Reference lines, planes or sectors
  • E01B2203/10 - Track-lifting or-lining devices or methods
  • E01B2203/12 - Tamping devices
  • E01B2203/143 - on a side-track
  • E01B2203/148 - having wheelsets that can be displaced horizontally or vertically
  • E01B2203/16 - Guiding or measuring means
  • Y10S33/21 - with laser
  • Y10S37/907 - Automatic leveling excavators

• US Classifications

  • 033 - Geometrical instruments
  • 037 - Excavating
  • 104 - Railways