LOTORQ



Trademark Coverage

No Class Specified

A centralizer run on the outside of the casing in order to run casing, liner or sand screens into the wellbore; designed with bi-directional rollers around the exterior which maintain contact with the casing and the borehole wall to reduce torque and drag

Owner
Timeline
  • Oct 18
    2013
    Abandonment Notice Mailed Failure To Respond
  • Oct 18
    2013
    Abandonment Failure To Respond Or Late Response
  • Mar 22
    2013
    Notification Of Non Final Action E Mailed
  • Mar 22
    2013
    Non Final Action E Mailed
  • Mar 22
    2013
    Non Final Action Written
  • Mar 21
    2013
    Assigned To Examiner
  • Jan 30
    2013
    New Application Office Supplied Data Entered In TRAM
  • Jan 29
    2013
    New Application Entered In TRAM