Chromatograph

- Hewlett Packard
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Description

FIG. 1 is a perspective view of chromatograph, showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a right side elevational view; and,

FIG. 7 is a left side elevational view.

Referenced Cited
U.S. Patent Documents
D281310 November 12, 1985 Hattori et al.
D287242 December 16, 1986 Liss et al.
D289034 March 31, 1987 Ching et al.
D340198 October 12, 1993 Nakamoto et al.
D347396 May 31, 1994 Ohnuma et al.
D354013 January 3, 1995 Ninomiya et al.
D356967 April 4, 1995 Takekoshi et al.
D364576 November 28, 1995 Glaser
D365530 December 26, 1995 Glaser
4912417 March 27, 1990 Gibboney et al.
5830262 November 3, 1998 Marchini et al.
Other references
  • Cole-Palmer; Gas Chromatography; 1989-90; pp. L22-L23. Hewlett-Packard Company; "High-Quality GC Results, Fast. It's Time;" HP 6890 Series GC System Brochure, Copyright, 1997; Printed in the USA Sep. 1997; Publication No. (23) 5966-0435E. Hewlett-Packard Company; "Transforming the Way You Do GC. It's Time;" HP 6890 Plus Gas Chromatograph System Brochure; Copyright, 1997; Printed in the USA Dec. 1997; Publication No. (23) 5966-1472E. "HP 6850 Series GC System" Brochure; Copyright 1998 Hewlett-Packard Co.; Printed in the USA Nov. 1998, Pub. No. 5968-2437E. "HP Chemical Analysis Systems" Brochure; Copyright 1997 Hewlett-Packard Co.; Printed in Canada Feb. 1997, Pub. No. 5965-6555E. "Transforming The Way You Do GC. It's Time. "(HP 6890 Plus Gas Chromatograph System) Brochure; Copyright 1997 Hewlett-Packard Co.; Printed in the USA Dec. 1997, Pub. No. (23)5966-1472E. "Go Anywhere Solutions" (HP MIcro Gas Chromatographs) Brochure; Copyright 1998 Hewlett-Packard Co.; Printed in the USA Apr. 1998, Pub. No. (23)5967-5927E.
Patent History
Patent number: D422925
Type: Grant
Filed: Oct 28, 1998
Date of Patent: Apr 18, 2000
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventors: Michael David Glaser (The Woodlands, TX), James Ward Baker (Elkton, MD), Roger A. Brown (Philadelphia, PA), Ellen F. Mason (Narberth, PA), Thomas E. Price (St. Georges, DE), Thomas M. Przybylski (Newark, DE), Robert P. Rhodes (Lincoln University, PA), George P. Walsh (Wilmington, DE), William H. Wilson (Newark, DE)
Primary Examiner: Stella Reid
Application Number: 0/95,677
Classifications
Current U.S. Class: Chemical (12) (D10/81)
International Classification: 1004;