Self-aligning pumping chamber

- Fisher Scientific Company
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Description

FIG. 1 is a front elevational view of a self-aligning pumping chamber showing my new design;

FIG. 2 is a side elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view.

Referenced Cited
U.S. Patent Documents
D207610 May 1967 Andrew
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D303288 September 5, 1989 Harboe et al.
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Patent History
Patent number: D326910
Type: Grant
Filed: Dec 28, 1989
Date of Patent: Jun 9, 1992
Assignee: Fisher Scientific Company (Pittsburgh, PA)
Inventors: Giorgio di Palma (Ramona, CA), Ahmadmahir Moubayd (San Diego, CA), Oscar E. Hyman (Encinitas, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Law Firm: Nydegger & Associates
Application Number: 7/458,800