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Publication numberUSD279377 S
Publication typeGrant
Application numberUS 06/378,193
Publication dateJun 25, 1985
Filing dateMay 14, 1982
Publication number06378193, 378193, US D279377 S, US D279377S, US-S-D279377, USD279377 S, USD279377S
InventorsWalter Kuchar
Original AssigneeTri-Service Machine Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Duplex mud pump
US D279377 S
Abstract  available in
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  1. The ornamental design for a duplex mud pump, as shown.

FIG. 1 is a front perspective view of a duplex mud pump showing my new design;

FIG. 2 is a front elevational view thereof, with certain parts omitted for ease of illustration;

FIG. 3 is a rear perspective thereof;

FIG. 4 is a bottom plan view thereof with certain parts omitted for ease of illustration; and

FIG. 5 is a right side elevational view thereof with certain parts omitted for ease of illustration.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US20080181798 *Jan 29, 2007Jul 31, 2008Victory Rig Equipment CorporationFluid pump drive
U.S. ClassificationD15/7