Electric heating – Heating devices – Plural separate heating devices
Reexamination Certificate
2006-02-28
2006-02-28
Jeffery, John A. (Department: 3742)
Electric heating
Heating devices
Plural separate heating devices
C219S385000, C219S521000, C219S530000, C422S105000, C435S285100, C435S288400, C062S003300
Reexamination Certificate
active
07005617
ABSTRACT:
An apparatus for thermally cycling samples of a biological material including a thermal block assembly including a plurality of sample holders for receiving samples of biological material; a heat sink thermally coupled to the thermal block assembly, the heat sink transferring heat away from the thermal block assembly to ambient air in contact with the heat sink; a first heat source thermally coupled to the thermal block assembly to provide heat to the thermal block assembly; and a second heat source thermally coupled to the first heat source and configured to provide heat to a portion of the first heat source. The arrangement of the heat sink, first heat source and second heat source can provide substantial temperature uniformity among the plurality of sample holders. The invention also includes a method for thermally cycling samples of biological material.
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Dykeman David J.
Jeffery John A.
Palmer & Dodge LLP
Stratagene California
Williams Kathleen M.
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