|
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.
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, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |