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Publication numberUSD331202 S
Publication typeGrant
Application numberUS 07/752,259
Publication dateNov 24, 1992
Filing dateAug 29, 1991
Publication number07752259, 752259, US D331202 S, US D331202S, US-S-D331202, USD331202 S, USD331202S
InventorsDavid G. Jeffers, Donald G. Pachuta
Original AssigneeLouis C. Eitzen Co., Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Triple tube viscosity testing instrument
US D331202 S
Abstract  available in
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  1. The ornamental design for a triple tube viscosity testing instrument, as shown and described.

FIG. 1 is a top, front and left side perspective view of a triple tube viscosity testing instrument showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view thereof.

FIG. 1 has been drawn on a reduced scale with respect to FIGS. 2-7.

Non-Patent Citations
1Document entitled "Viscobille Comparative Dilutiometre VCD" by Geserco of France.
2Taylor, Rolla H., "Factors Affecting Results Obtained with the Mooney Viscometer", Circular of the National Bureau of Standards C451, Nov. 8, 1945.
U.S. ClassificationD10/84, D10/81, D10/78