Chromatography column locking ring
Hellstrom June 14, 2
U.S. patent number D506,261 [Application Number D/181,401] was granted by the patent office on 2005-06-14 for chromatography column locking ring. This patent grant is currently assigned to Amersham Biosciences AB. Invention is credited to Karl-Gunnar Hellstrom.
| United States Patent | D506,261 |
| Hellstrom | June 14, 2005 |
Chromatography column locking ring
Claims
The ornamental design for a chromatography column locking ring, as shown and described.
| Inventors: | Hellstrom; Karl-Gunnar (Uppsala, SE) |
|---|---|
| Assignee: | Amersham Biosciences AB
(Uppsala, SE) |
| Appl. No.: | D/181,401 |
| Filed: | May 9, 2003 |
| Current U.S. Class: | D24/224; D10/103 |
| Current International Class: | 2401 |
| Field of Search: | ;D24/224,216 ;D10/81,103 ;D9/435,445,452,454 ;210/198.2,656 ;422/102,99,58 |
References Cited [Referenced By]
U.S. Patent Documents
| 4565632 | January 1986 | Hatch et al. |
| 4737284 | April 1988 | Hauke et al. |
| D357200 | April 1995 | Thomas |
| D389761 | January 1998 | Thomas |
| 6387256 | May 2002 | Tuvim |
| 6652745 | November 2003 | Gjerde et al. |
Attorney, Agent or Firm: Ronning, Jr.; Royal N. Ryan; Stephen G. Ji; Yonggang
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.
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