USPatentGranted
S1

Chromatography column

Granted 14 Jun 2011 · 2 office actions

Current assignee: Cytiva BioProcess R&D AB · originally General Electric

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Inventors: Stefan Kjell Eriksson, John Davis · Examiner: T. Chase Nelson · AU 2914 · TC 2900

Application
29/299,165
filed 20 Dec 2007
Publication
Not published
not published
Patent· this page
US D639980
granted 14 Jun 2011

Life of the patent

2 dated events
⤢ drag to zoomJan 2008Jul 2008Jan 2009Jul 2009Jan 2010Jul 2010Jan 2011Jul 2011Prosecution
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Description

1 parts
›FIG. 1 is a perspective view of the…

FIG. 1 is a perspective view of the chromatography column in closed or lowered position showing our new design.

FIG. 2 is a front view of the chromatography column of FIG. 1

FIG. 3 is a back view of the chromatography column of FIG. 1 .

FIG. 4 is a perspective view of the chromatography column of FIG. 1 in a first open or raised position.

FIG. 5 is a perspective view of the chromatography column of FIG. 1 in a second open or raised position.

FIG. 6 is a top plan view of the chromatography column of FIG. 1 ; and,

FIG. 7 is a bottom plan view of the chromatography column of FIG. 1 .

The design for a chromatography column which has three powered cylinders for lifting the adapter assembly above the column tube, or lifting the column tube above the base assembly, to provide access to the interior of the column for maintenance purposes. This design obviates the need for heavy overhead lifting devices, such as a hoist or crane, to lift the adapter assembly or column tube.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D24/233

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File wrapper

Pendency
3.5 y
1,272 days filing → grant
Office actions
1
non-final + final
Responses
2
no RCE
Examiner
T. Chase Nelson
art unit 2914 · TC 2900
Citations: 8 back · 0 forward

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Chain of title

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Term & fees

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Citations

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