Mass spectrometer combined with liquid chromatograph

- Hitachi, Ltd.
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Description

FIG. 1 is a front, top and right side elevational perspective view of a mass spectrometer combined with liquid chromatograph showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan elevational view thereof.

Referenced Cited
U.S. Patent Documents
D224069 June 1972 Thompson
D340198 October 12, 1993 Nakamoto et al.
5212096 May 18, 1993 Kolhouse et al.
5240616 August 31, 1993 Kato et al.
5266192 November 30, 1993 Lizon et al.
Patent History
Patent number: D347396
Type: Grant
Filed: Feb 3, 1993
Date of Patent: May 31, 1994
Assignee: Hitachi, Ltd. (Tokyo)
Inventors: Mitsuru Ohnuma (Tokyo), Tomoyuki Miyata (Kokubunji), Kazunori Hashimoto (Tachikawa), Yoshiaki Kato (Mito), Tadao Mimura (Katsuta)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Antonelli, Terry, Stout & Kraus
Application Number: 0/4,365