Patent
   D436237
Priority
Mar 14 2000
Filed
Mar 14 2000
Issued
Jan 09 2001
Expiry
Jan 09 2015
Assg.orig
Entity
unknown
4
12
n/a
The ornamental design for a oil well casing brush tool, as shown and described.

FIG. 1 is a front elevational view, with the rear, right, and left views being mirror images, showing our new design;

FIG. 2 is a bottom plan view thereof; and,

FIG. 3 is a top plan view thereof.

Mosley, Terry Ray, Matthews, Roy H.

Patent Priority Assignee Title
6575239, Jul 15 2000 Ruff Pup Limited Well cleaning tool
D692195, Dec 20 2012 Drain clearing kit
D736600, Jun 05 2012 CPA Pool Products, Inc. Telescoping pole
D901794, May 01 2018 Homewerks Worldwide, LLC Drain cleaning tool
Patent Priority Assignee Title
3032114,
3827492,
4438812, Aug 23 1982 Brush tool for wells
4501322, Dec 08 1983 Hyper cleaning casing brush
5002139, Jul 16 1988 Hawera Probst GmbH & Co. Drilling tool
5570742, Jun 16 1993 WELL-FLOW TECHNOLOGIES, INC Tubular cleaning tool
5711046, Apr 01 1995 Rotary Drilling Supplies of Europe Limited Well cleaning apparatus
5819353, Sep 01 1995 Oiltools International B.V. Tool for cleaning or conditioning tubular structures such as well casings
5829521, Feb 21 1997 M-I L L C Down hole cleaning device and method
5947203, Feb 21 1997 M-I L L C Method of cleaning a down hole casing string
GB2195378,
WO9429569,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 11 2010MOSLEY, TERRY RAYMATTHEWS, ROY HARRISASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0244340450 pdf
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