Patent
   D350887
Priority
Feb 26 1993
Filed
Jun 08 1993
Issued
Sep 27 1994
Expiry
Sep 27 2008
Assg.orig
Entity
unknown
41
6
n/a
The ornamental design for a grinding cup, as shown and described.

FIG. 1 is a front isometric view of the invention taken from the exterior top thereof; and,

FIG. 2 is an isometric view of the invention taken from the bottom thereof.

Sjolander, Robert, Stenmark, Dag

Patent Priority Assignee Title
10280703, May 15 2003 Kureha Corporation Applications of degradable polymer for delayed mechanical changes in wells
8459346, Dec 23 2008 MAGNUM OIL TOOLS INTERNATIONAL, LTD Bottom set downhole plug
8496052, Dec 23 2008 MAGNUM OIL TOOLS INTERNATIONAL, LTD Bottom set down hole tool
8899317, Dec 23 2008 Nine Downhole Technologies, LLC Decomposable pumpdown ball for downhole plugs
9062522, Apr 21 2009 Nine Downhole Technologies, LLC Configurable inserts for downhole plugs
9109428, Apr 21 2009 Nine Downhole Technologies, LLC Configurable bridge plugs and methods for using same
9127527, Apr 21 2009 Nine Downhole Technologies, LLC Decomposable impediments for downhole tools and methods for using same
9163477, Apr 21 2009 Nine Downhole Technologies, LLC Configurable downhole tools and methods for using same
9181772, Apr 21 2009 Nine Downhole Technologies, LLC Decomposable impediments for downhole plugs
9217319, May 18 2012 Nine Downhole Technologies, LLC High-molecular-weight polyglycolides for hydrocarbon recovery
9309744, Dec 23 2008 Nine Downhole Technologies, LLC Bottom set downhole plug
9506309, May 18 2012 Nine Downhole Technologies, LLC Downhole tools having non-toxic degradable elements
9562415, Apr 21 2009 MAGNUM OIL TOOLS INTERNATIONAL, LTD Configurable inserts for downhole plugs
9587475, May 18 2012 Nine Downhole Technologies, LLC Downhole tools having non-toxic degradable elements and their methods of use
9708878, May 15 2003 Kureha Corporation Applications of degradable polymer for delayed mechanical changes in wells
D365113, Jul 05 1994 Removable drill chuck with sleeve attachment
D383659, Dec 12 1994 Grinding pin
D394865, Nov 09 1995 Tube driver for hex shank drill bit
D563750, Dec 29 2005 Black & Decker Inc Universal shank for tools
D575609, Dec 29 2005 Black & Decker Inc. Universal shank for tools
D589319, Feb 08 2007 Black & Decker Inc. Pivoting bit holder
D657807, Jul 29 2011 Nine Downhole Technologies, LLC Configurable insert for a downhole tool
D672794, Jul 29 2011 Nine Downhole Technologies, LLC Configurable bridge plug insert for a downhole tool
D684612, Jul 29 2011 Nine Downhole Technologies, LLC Configurable caged ball insert for a downhole tool
D694280, Jul 29 2011 Nine Downhole Technologies, LLC Configurable insert for a downhole plug
D694281, Jul 29 2011 Nine Downhole Technologies, LLC Lower set insert with a lower ball seat for a downhole plug
D694282, Dec 23 2008 Nine Downhole Technologies, LLC Lower set insert for a downhole plug for use in a wellbore
D697088, Dec 23 2008 Nine Downhole Technologies, LLC Lower set insert for a downhole plug for use in a wellbore
D698370, Jul 29 2011 Nine Downhole Technologies, LLC Lower set caged ball insert for a downhole plug
D703713, Jul 29 2011 Nine Downhole Technologies, LLC Configurable caged ball insert for a downhole tool
D852016, Feb 13 2019 Grinding bit for rotary tool
D856771, Feb 13 2019 Grinding bit for rotary tool
D858596, Oct 24 2017 Tivoly SA Tool shank
D861049, Oct 24 2017 Lee Valley Tools Ltd. Workpiece support
D861050, Oct 25 2017 Eccentric shaft for a grinding machine
D882650, Aug 16 2019 Rust-Oleum Corporation Hex driver drum sander
D926545, Aug 16 2019 Rust-Oleum Corporation Hex driver stripper sander
D926546, Oct 24 2017 Lee Valley Tools Ltd. Workpiece support
D959521, Nov 16 2020 Tool
D961859, Nov 07 2018 Grinding head for nails
RE46028, May 15 2003 Kureha Corporation Method and apparatus for delayed flow or pressure change in wells
Patent Priority Assignee Title
4300522, Aug 28 1978 General Electric Company Compact dressing tool
5259148, Nov 12 1991 Ring generator wheel with improved coolant flow
D297803, Aug 30 1985 WELLS FARGO BUSINESS CREDIT, INC Grinding wheel attachment
D317393, Sep 04 1987 Tool shank for an abrasive article
D328696, Feb 26 1990 Federal Bevel Grinding head
D337889, Aug 07 1991 Brush for use with a cordless screwdriver
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 08 1993C. M. E. Blasting and Mining Equipment Ltd.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule