3505742

Information

• Patent Grant
• 3505742

• References
• Source

• Patent Number

  3,505,742

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • E01B31/20 - Working or treating non-metal sleepers in or on the line
  • E01B35/02 - for spacing, for cross levelling for laying-out curves
  • G01C9/12 - by using a single pendulum
  • E01B2203/16 - Guiding or measuring means

• US Classifications

  • 033 - Geometrical instruments