Chemical sampler

- Expertus Kemiteknik AB
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Description

FIG. 1 is a bottom perspective view of a chemical sampler showing my new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a perspective view thereof, the protective cover being partially peeled away;

FIG. 4 is a perspective view thereof; the protective cover being completely removed;

FIG. 5 is a perspective view of an alternate embodiment of the design shown in FIG. 1;

FIG. 6 is a perspective view of FIG. 5;

FIG. 7 is a perspective view of FIG. 5, the protective cover being partially peeled away;

FIG. 8 is a perspective view of FIG. 5, the protective cover being completely removed; and,

FIG. 9 is a bottom plan view of FIG. 4, the protective cover being completely removed.

Referenced Cited
U.S. Patent Documents
D234025 December 1974 Potter
D273565 April 24, 1984 Driskell et al.
D295319 April 19, 1988 Franchere et al.
2546779 March 1951 Polcyn
3209906 October 1965 Kraut
4278693 July 14, 1981 Dingethal et al.
4427705 January 24, 1984 Wyslotsky et al.
4737463 April 12, 1988 Bhattacharjee et al.
4758229 July 19, 1988 Doerschner
4850504 July 25, 1989 Grindrod et al.
5091153 February 25, 1992 Bachand
Patent History
Patent number: D342321
Type: Grant
Filed: Mar 16, 1990
Date of Patent: Dec 14, 1993
Assignee: Expertus Kemiteknik AB (Sundsvall)
Inventor: Ake Bresle (Kungsvagen)
Primary Examiner: A. Hugo Word
Assistant Examiner: Celia A. Murphy
Law Firm: Griffin Butler Whisenhunt & Kurtossy
Application Number: 7/494,496