Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Reexamination Certificate
2006-03-21
2006-03-21
Lee, Hwa (Andrew) (Department: 2877)
Optics: measuring and testing
Sample, specimen, or standard holder or support
Fluid containers
C356S440000, C422S105000
Reexamination Certificate
active
07016033
ABSTRACT:
Disclosed is a counting chamber for optical detection of particles that are present in a fluid, comprising two substantially transparent and substantially parallel plates of material, between which the fluid can be introduced. At least one of the plates includes a visible reference, which comprises a relief formed on the surface of the plate.
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patent: 6143496 (2000-11-01), Brown et al.
patent: 44 03 308 (1995-08-01), None
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patent: WO 99/00689 (1999-01-01), None
De Kock Alfons Petrus Antonius Gerrit
Van Stralen Joannes Hendricus Wilhelmus Cornelis
Westendorp Hendrik Jan
Westerveld Corne Arjen
Cellvision Technologies B.V.I.O.
Lee Hwa (Andrew)
Punnoose Roy M.
The Webb Law Firm
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