Patent
   D276434
Priority
Nov 19 1982
Filed
Nov 19 1982
Issued
Nov 20 1984
Expiry
Nov 20 1998
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design for a portable oil well walking beam pump jack, substantially as shown and described.

FIG. 1 is a right side elevational view of the portable oil well walking beam pump jack which incorporates my new design, disposed in a folded position;

FIG. 2 is a right side elevational view thereof which incorporates my new design, disposed in a raised position;

FIG. 3 is a left side elevational view thereof illustrated in FIG. 2;

FIG. 4 is a rear elevational view thereof illustrated in FIG. 2;

FIG. 5 is a front elevational view thereof illustrated in FIG. 2;

FIG. 6 is a top plan view thereof shown in FIG. 2; and

FIG. 7 is a bottom plan view thereof illustrated in FIG. 2.

Laney, Roy N.

Patent Priority Assignee Title
D281851, May 03 1983 PACK & GIBBS, INC , 837 EXPLORER STREET, RAPID CITY, S D 57701 Beverage dispenser or similar article
D286553, Apr 30 1984 Pen stand
D613545, Aug 08 2008 Beverage dispenser
D636791, Sep 22 2008 Weir Minerals Australia, Ltd Mine dewatering apparatus
D666884, Nov 05 2009 HUFF, RONALD Oil and natural gas pump bottle opener
D835678, Jul 08 2017 DAQING DANNUO PETROLEUM TECHNOLOGY DEVELOPMENT CO , LTD Pumping unit
Patent Priority Assignee Title
3055228,
3136166,
4050858, Apr 05 1976 Well pumping apparatus
4070135, Jan 21 1977 Mobile pumping apparatus
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