3066581

Information

• Patent Grant
• 3066581

• References
• Source

• Patent Number

  3,066,581

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1962
  62 years ago

• CPC

  • E01C11/20 - for prestressed concrete pavings
  • Y10S411/956 - Automatic base clutch
  • Y10T29/49918 - At cup or tube end
  • Y10T29/49929 - Joined to rod

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener