Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate
2005-03-01
2005-03-01
Dunn, Drew A. (Department: 2872)
Optical: systems and elements
Compound lens system
Microscope
C359S368000, C359S392000, C359S393000, C359S394000
Reexamination Certificate
active
06862138
ABSTRACT:
The invention concerns a holder (1) for positioning a specimen slide (2) on a microscope stage (7), having a baseplate (3), retainable on the microscope stage (7), in which is configured, for reception of the specimen slide (2), an opening (3a) comprising flat support surfaces (3b) and at least one abutment surface (3c), extending substantially perpendicular to the support surface (3b), for the specimen slide (2); and having at least one spring element (4) with which, by means of a compressive force (F) acting substantially horizontally, the specimen slide (2) arranged in the opening (3a) of the baseplate (3) can be pressed against the at least one abutment surface (3c) of the opening (3a).
REFERENCES:
patent: 3572889 (1971-03-01), Bloomfield
patent: 4248498 (1981-02-01), Georges
patent: 4367915 (1983-01-01), Georges
patent: 5795295 (1998-08-01), Hellmuth et al.
patent: 8107774 (1984-09-01), None
patent: 19616216 (1997-10-01), None
Davidson Davidson & Kappel LLC
Dunn Drew A.
Leica Microsystems Wetzlar GmbH
Pritchett Joshua L
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