Method for controlled rate freezing and long term cryogenic...

Refrigeration – Processes – Treating an article

Reexamination Certificate

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C062S371000, C062S457500

Reexamination Certificate

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07870748

ABSTRACT:
A containment apparatus (10) having a floor wall (12) with four side walls (16) extending therefrom and an opening (13) at the top. Each of the side walls (16) and the floor wall (12) include apertures (20) defined within to allow air to flow freely throughout the containment apparatus. A lid (18) may be provided to place on the containment apparatus to cover the opening (13). A divider (21) made of interlocking wall strips (23) that connect to define a plurality of separate compartments (25). Each interlocking wall strip (23) having multiple apertures (20) defined within to allow for free airflow around, through and between each compartment (25). An alternative embodiment of the divider (31) is comprised of a molded material such as plastic for holding thermosensitive product vials. The alternative divider (31) having a plurality of aligned wells (39). Each well (39) being adapted to support one thermosensitive product vial.

REFERENCES:
patent: 1763461 (1930-06-01), Fowler
patent: 3379315 (1968-04-01), Broadwin
patent: 4328676 (1982-05-01), Reed
patent: 4665713 (1987-05-01), Delatte
patent: 4671405 (1987-06-01), Hagan
patent: 4771900 (1988-09-01), Leoncavallo et al.
patent: 4898278 (1990-02-01), Leoncavallo et al.
patent: 5226715 (1993-07-01), Delatte
patent: 5685438 (1997-11-01), Emanuel et al.
patent: 5950832 (1999-09-01), Pearlman
patent: 6141975 (2000-11-01), Tatsumi
patent: 6640981 (2003-11-01), LaFond et al.

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