Positioning pins for multiwell test apparatus

Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition

Reexamination Certificate

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C422S091000, C422S105000, C422S105000, C436S180000

Reexamination Certificate

active

07135149

ABSTRACT:
A multiwell test apparatus comprising a multiwell filter plate and having wells that fit within the wells of a single or multiwell receiver plate is provided. The multiwell filter plate also is provided with posts which fit into holes of the receiver plate. The posts and holes are shaped to fix the position of the wells of the multiwell filter plate within the well(s) of the receiver plate and to permit controlled lateral movement of the multiwell filter plate when it is partially removed from the receiver plate so that excess liquid on the wells of the multiwell filter plate can be directed into the well(s) of the receiver plate.

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patent: WO 99/21958 (1999-05-01), None
International Search Report dated Jan. 21, 2003.
“Selection of Invasive and Metastatic Subpopulations from a Heterogeneous Human Melanoma Cell Line”, BioTechniques, Vo. 9, No. 3 (1990), p. 324.
1. Photograph of top plate of Multi-Screen Dual Access plate prototype, publicly provided by Millipore Corporation in Feb. 1993.
2. Photograph of three piece MultiScreen Dual Access Cell Culture System prototype, publicly provided by Millipore Corporation in Feb. 1993.

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