Filed March 12, 2019

Serial No. 79258777

Registered March 24, 2020

Registration No. 6,015,791

Examining Attorney null

Class Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking supervision, life-saving and teaching apparatus and instruments, namely, aerosol and particle measurement apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating, controlling and distributing electricity, namely, aerosol and particle measurement apparatus and instruments; apparatus for recording, transmission or reproduction of sound, images and data, in particular particle size analyzers, filter testing apparatus, optical apparatus, apparatus for dry dispersion, apparatus for determining the particle levels of air and gases and aerosols; spectrometers; prerecorded magnetic data carriers featuring aerosol and particle measurement software and data; calculating machines, data processing equipment and computers; recorded software, namely, software saved on media in the field of aerosol and particle measurement; downloadable software namely, software saved on media in the field of aerosol and particle measurement; 021; 023; 026; 036; 038; 100; 101

Case Type Trademark Service mark