3716608

Information

• Patent Grant
• 3716608

• References
• Source

• Patent Number

  3,716,608

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  51 years ago

• CPC

  • E01B31/26 - Inserting or removing inserts or fillings for holes in sleepers
  • E01B9/04 - Fastening on wooden or concrete sleepers or on masonry without clamp members
  • E01B9/16 - for wooden sleepers
  • F16B13/141 - Fixing plugs in holes by the use of settable material
  • F16B2013/147 - Grout with reinforcing elements or with fillers

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 144 - Woodworking
  • 238 - Railways: surface track
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener