U.S. federal trademark · Serial No. 79308300 · Reg. No. 7256507
Rental of oil well drilling tools in the nature of valves which are configured for operating within a well in the earth's crust and comprise in a tubular body a moveable sleeve for opening and closing at least one lateral port in the tubular body; Rental of oil well drilling tools in the nature of valves which are configured for operating within a well in the earth's crust and comprise in a tubular body a moveable sleeve for opening and closing at least one lateral port in the tubular body for one or more of well drilling, well cleaning, thru tubing, completion and workover operations; Rental of oil well drilling tools in the nature of valves which are configured for operating within a well in the earth's crust and comprise in a tubular body a moveable sleeve for opening and closing at least one lateral port in the tubular body for use during drilling a well in the earth's crust, in particular oil and gas well tools, enabling the pumping of LCM materials, increasing well fluid circulation rates, wellbore cleanout, acidizing, stimulation, coring, workover operations used to resolve various types of well conditions; Rental of oil well drilling tools in the nature of valves which are configured for operating within a well in the earth's crust and comprise in a tubular body a moveable sleeve for opening and closing at least one lateral port in the tubular body for use within the earth's crust with a drill string, a coiled tubing or a thru tubing
Valves being parts of machinery configured for operating within a well in the earth's crust and comprising in a tubular body a moveable sleeve for opening and closing at least one lateral port in the tubular body
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.