Beam balanced pumping unit

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Description

FIG. 1 is a perspective view of a beam balanced pumping unit showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2042294 May 1936 Bloss
2274601 February 1942 Hartgering et al.
2515360 July 1950 Vail
2523444 September 1950 Moseley
2915919 December 1959 Mitchell et al.
3405605 October 1968 Ross
3427887 February 1969 Jones
3621723 November 1971 Miller
3867846 February 1975 Cambern
Patent History
Patent number: D267718
Type: Grant
Filed: Jul 7, 1980
Date of Patent: Jan 25, 1983
Assignee: Hellstar Corporation (Wahoo, NE)
Inventor: John J. Gostomski (Omaha, NE)
Primary Examiner: James R. Largen
Law Firm: Zarley, McKee, Thomte, Voorhees & Sease
Application Number: 6/165,870
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: D1502;