Patent
   D310471
Priority
Oct 23 1987
Filed
Oct 23 1987
Issued
Sep 11 1990
Expiry
Sep 11 2004
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for a clamp for polish rod liner of an oil well pumping unit, as shown and described.

FIG. 1 is a bottom plan view of a clamp for polish rod liner of an oil well pumping unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view taken from the right of FIG. 1;

FIG. 4 is a side elevational view taken from the left of FIG. 1;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a front elevational view thereof.

Kuykendall, Jimmie R.

Patent Priority Assignee Title
6135670, Jul 16 1998 Polished rod clamp
D359897, Jun 27 1994 Clamp
D650049, Oct 07 2008 Jointer for pipe frame
D736586, Jul 19 2013 SMC Corporation Clamping device
D904754, Nov 30 2018 WILLIAM PRYM GMBH & CO KG Pompon maker
Patent Priority Assignee Title
2731696,
3164114,
4657284, Mar 08 1985 Commissariat a l'Energie Atomique Remotely manipulatable clamp
919971,
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