Flask for preparing a cytological suspension

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

Reexamination Certificate

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C600S569000, C435S286700, C435S297100, C435S307100

Reexamination Certificate

active

07871574

ABSTRACT:
A flask for preparing a fixer-based cytological suspension is equipped with a filtering element (4) at least partly immersed in the suspension. The filtering element is in the form of a basket-forming filtering material web, whereof the periphery (5) is fixed on the flask and whereof the center (6) is connected to a tube (7), extending towards the opening (2) of the flask, associated with a position-maintaining element (8) in the flask and adapted to allow through a pipette for drawing the suspension.

REFERENCES:
patent: 4657869 (1987-04-01), Richards et al.
patent: 5422273 (1995-06-01), Garrison et al.
patent: 5817032 (1998-10-01), Williamson et al.
patent: 6063038 (2000-05-01), Diamond et al.
patent: 6346087 (2002-02-01), Peltier
patent: 2005/0109689 (2005-05-01), Trachtenbroit
patent: 1 044 652 (2000-10-01), None

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