Filed April 23, 1993

Serial No. 74383408

Registered Nov. 22, 1994

Registration No. 1,863,535

Class sample-handling, sample preparation and apparatus for infra-red and ultra-violet spectroscopy; namely, attenuated total reflectance optical measurement devices for liquids, solids and pastes; sample troughs, sample trays, sample plates and optical crystals therefor; diffuse and specular reflectance optical measurement devices; environmental chambers, X-Y tables, autosamplers and integrating spheres therefor; optical transmission measurement devices; sample cells and cuvettes therefor; presses for the preparation of sample discs for infrared analysis; sample pellet dies for such presses; sample grinding mills for the preparation of sample materials; mull cells; sample film makers; variable temperature jackets for sample cells; cell holders; high temperature cells; high pressure cells; gas cells; beam condensers; polarizers; cuvette holders; temperature controllers; gas samplers; analyzers for analysis of hydrocarbons in water; thermostatically controlled cabinets and dessicators for the storage of infrared sample materials; infrared windows; fibre optic remote samplers [; infrared detectors; photoacoustic detectors; optical goniometers; interferometers; and parts therefor ]; 021; 023; 026; 036; 038

Case Type Trademark