Gas sampling pump

- Gastec Corporation
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Description

FIG. 1 is a perspective view of the gas sampling pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D345706 April 5, 1994 Martell
D345707 April 5, 1994 Alister
4531895 July 30, 1985 Zeck
5476017 December 19, 1995 Pinto et al.
5591894 January 7, 1997 Falk et al.
Patent History
Patent number: D398548
Type: Grant
Filed: May 27, 1997
Date of Patent: Sep 22, 1998
Assignee: Gastec Corporation (Kanagawa-ken)
Inventors: Takashi Nakazato (Kanagawa), Takashi Komatsu (Kanagawa)
Primary Examiner: Antoine Duval Davis
Law Firm: Nikaido, Marmelstein, Murray & Oram LLP
Application Number: 0/71,316
Classifications
Current U.S. Class: Chemical (12) (D10/81); Provided With Handle, Or Hand-held (D10/78)
International Classification: 1004;