Test instrument for measuring properties of liquids

Description

FIG. 1 is a perspective view of a test instrument for measuring properties of liquids showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right hand side elevational view thereof;

FIG. 7 is a left hand side elevational view thereof;

FIG. 8 is a perspective view thereof showing a protective cover in place over a lower portion thereof;

FIG. 9 is a perspective view of a test instrument for measuring properties of liquids showing a second embodiment of my new design;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a right hand side elevational view thereof;

FIG. 15 is a left hand elevational view thereof;

FIG. 16 is a perspective view thereof showing a cap in place over the bottom thereof;

FIG. 17 is a perspective view of a test instrument for measuring properties of liquids in accordance with a third embodiment of my new design having a probe extending downward from the bottom thereof;

FIG. 18 is a front elevational view thereof;

FIG. 19 is a rear elevational view thereof;

FIG. 20 is a right hand side elevational view thereof;

FIG. 21 is a left hand side elevational view thereof;

FIG. 22 is a top plan view thereof; and

FIG. 23 is a bottom plan view thereof.

The cover has been removed for ease of illustration in all views except FIGS. 8 and 16.

Referenced Cited
U.S. Patent Documents
D333992 March 16, 1993 Anderson
D336444 June 15, 1993 Anderson et al.
4929426 May 29, 1990 Bodai et al.
5096669 March 17, 1992 Lauks et al.
Other references
  • Cole-Palmer Catalog 1987-1988, pp. 138, 147, 435, 442-444, 822 832.
Patent History
Patent number: D346123
Type: Grant
Filed: Jul 31, 1992
Date of Patent: Apr 19, 1994
Assignee: Eutech Cybernetics Pte. Ltd. (Ayer Rajah Industrial Park)
Inventor: Bhaskar Narayanan (Sinapore)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Fitch, Even, Tabin & Flannery
Application Number: 7/922,968