3841778

Information

• Patent Grant
• 3841778

• References
• Source

• Patent Number

  3,841,778

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • E02F5/02 - for digging trenches or ditches
  • E01C19/4866 - with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
  • E02F5/10 - with arrangements for reinforcing trenches or ditches with arrangements for making or assembling conduits or for laying conduits or cables

• US Classifications

  • 404 - Road structure, process, or apparatus