Housing for a laboratory instrument

- Tekmar Company
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Description

FIG. 1 is a perspective view;

FIG. 2 is a right side view; and

FIG. 3 is a left side view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

Referenced Cited
U.S. Patent Documents
D270902 October 11, 1983 Felton
D381756 July 29, 1997 Ohnuma et al.
D382062 August 5, 1997 Stevens et al.
2549258 April 1951 Stover
3414385 December 1968 Beroza et al.
3499670 March 1970 Woody
3629490 December 1971 Keller
3695642 October 1972 DeWoody
3728540 April 1973 Todd et al.
3780293 December 1973 Flint
3832548 August 1974 Wallack
3861809 January 1975 Hall, Jr.
3955930 May 11, 1976 Shapiro
3968367 July 6, 1976 Berg
3973915 August 10, 1976 Raffaele et al.
4057499 November 8, 1977 Buono
4253845 March 3, 1981 Smernoff
4256461 March 17, 1981 Wallace et al.
4288229 September 8, 1981 Mar
4301117 November 17, 1981 Smernoff
4342912 August 3, 1982 Adamson
4344918 August 17, 1982 Takahashi
4619902 October 28, 1986 Bernard
4678914 July 7, 1987 Melrose et al.
4692621 September 8, 1987 Passaro et al.
4825076 April 25, 1989 Shields
4850697 July 25, 1989 Schoennauer et al.
4874572 October 17, 1989 Nelson et al.
4963744 October 16, 1990 Matthys
5036198 July 30, 1991 Spaeth
5075550 December 24, 1991 Miller et al.
5097130 March 17, 1992 Koashi et al.
5132094 July 21, 1992 Godec et al.
5241178 August 31, 1993 Shields
5279791 January 18, 1994 Aldrich et al.
5308981 May 3, 1994 Perten
5340542 August 23, 1994 Fabinski et al.
5443991 August 22, 1995 Godec et al.
Other references
  • "Filter Correlation Photometer", by W. Olsowski and V. Nestler, pp. 722-727, Rev. Sci. Instrum., 54(6), Jun. 1983. "Introducing the ISCO EZ TOC Analyzer Accurate TOC Analysis Made Easy", prior art, Process Monitoring Division, 531 Westgate Blvd., Lincoln, NE 68528-1586. "A Measure of Purity", LabTOC Model 2100, Astro International Corporation, 100 Park Avenue, League City, TX 77473, prior art. "The Next Step in Automated TOC Analysis", 1992, Rosemont Analytical Inc. Dohrmann Division. "Standard Test Method for Total, Organic, and Inorganic Carbon in High Purity Water by Ultraviolet (UV) or Persulfate Oxidation, or Both, and Infrared Detection", pp. 1-5, Technical Reprint, TR-021, Dohrmann Division, 1988. "DC-190 High Temperature Total Organic Carbon Analyzer", Rosemont Analytical Inc. Dohrmann Division, 1992. Selection of a TOC Analyzer, by Godfrey A. Crane, Dohrmann Division, Technical Reprint, TR-020, Jul. 1988, American Laboratory. "Total Organic Carbon Analyzer", DC-80, Dohrmann Division, Rosemount Analytical Inc., 1994. "TOC-5000 Total Organic Carbon Analyzer", Shimadzu Scientific Instruments, Inc. 7102 Riverwood Drive, Columbia, Maryland 21046, prior art. "On-Line Total Organic Carbon Monitoring for Ultrapure Water", 1991, Anatel Corporation. "Automated. Affordable. TOC Analysis.", 1990, Astro International Corporation, 100 Park Avenue, League City Texas 77573. "700 Total Organic Carbon Analyzer", 1988, OI Corporation, Graham Rd. at Wellborn Rd., P.O. Box 2980, College Station, Texas 77841-2980. "A New Instrument For The Determination of Organic Carbon Levels In Water", Anatoc Total Organic Carbon Analyzer, 1993, SGE International Pty Ltd, Australia. "Model ASI-5000 Automatic Sample Injector", Shimadzu Scientific Instruments, Inc., 1993. "The Model SSM-5000 Combines With The TOC-5000 or TOC-5050 to Form a Solid Sample TOC Analysis Sytsem.", Shimadzu Scientific Instruments, Inc., 1993. "New Technology For TOC Analysis In Water", by Richard Godec, Kevin O'Neill, and Richard Hutte, Ph.D., 1992, Sievers Instruments Inc., pp. 17-22. "Total Organic Carbon Analyzer Sievers 800", Sievers Instruments, Inc. 2500 Central Ave., Suite H1, Boulder CO 80301, 1992. Total Organic Carbon Analyzer TOC-5000 On-Line Measurement System, 1993, Shimadzu Scientific Instruments, Inc. "Labtoc Laboratory TOC Water Analysis System", 1993, Pollution & Process Monitoring. "Carbon & Sulfor Analysis", UIC Inc., P.O. Box 863, Joliet, Illinois 60434-0863, prior art. "Skalar SK.sup.12 Analyser A New Concept For Fully Automated TOC/DOC Analysis", prior art. "Recent Advances In The Meaurement of Total Organic Carbon In Water", by Richard S. Hutte, Richard Godec, Kevin O'Neill, Sievers Instruments, Inc., prior art. "Model ESU-1 External Scrubber Unit", Shimadzu, prior art. "TOC-500 Total Organic Carbon Analyzer", Shimadzu, prior art. "TOC-5050 Organic Carbon Analyzer", Shimadzu Scientific Instruments, Inc., prior art. "Ionics Advanced Chemical Analysis Technology TOC POC TC Laboratory Analyzers", prior art, Ionics, Incorporated, Instrument Division, 65 Grove Street, Watertown, MA 02172. "The Plus That Redefines The Possible In High Teperatures TOC", HT 680+, prior art, Astro International Corporation, 100 Park Avenue, League City, Texas 77573.
Patent History
Patent number: D421653
Type: Grant
Filed: Nov 18, 1996
Date of Patent: Mar 14, 2000
Assignee: Tekmar Company (Cincinnati, OH)
Inventor: Michael W. Purcell (Mainville, OH)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: G. Andoll
Law Firm: Westman, Champlin & Kelly, P.A.
Application Number: 0/65,674