Chromatography column locking ring

- Amersham Biosciences AB
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Description

The design is a locking ring that can fit into an opening of an end of a chromatography column assembly.

FIG. 1 is a perspective view of a chromatography column locking ring showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Claims

The ornamental design for a chromatography column locking ring, as shown and described.

Referenced Cited
U.S. Patent Documents
4565632 January 21, 1986 Hatch et al.
4737284 April 12, 1988 Hauke et al.
D357200 April 11, 1995 Thomas
D389761 January 27, 1998 Thomas
6387256 May 14, 2002 Tuvim
6652745 November 25, 2003 Gjerde et al.
Patent History
Patent number: D506261
Type: Grant
Filed: May 9, 2003
Date of Patent: Jun 14, 2005
Assignee: Amersham Biosciences AB (Uppsala)
Inventor: Karl-Gunnar Hellström (Uppsala)
Primary Examiner: Ian Simmons
Attorney: Royal N. Ronning, Jr.
Application Number: 29/181,401