Filed Sept. 25, 2025

Serial No. 99412352

Examining Attorney null

Class pressure gauges; air pressure gauges; pressure gauges for measuring absolute pressure on each side of a filter and calculating the pressure differential across the filter; pressure gauges for measuring and monitoring air pressure in HVAC units; electronic devices for measuring pressure; electronic devices for measuring air pressure; electronic devices for measuring absolute pressure on each side of a filter and calculating the pressure differential across the filter; gauges for measuring temperature on each side of a filter and calculating the pressure differential across the filter; gauges for measuring and monitoring temperature in HVAC units; gauges for measuring humidity on each side of a filter and calculating the pressure differential across the filter; pressure gauges for measuring and monitoring humidity in HVAC units; wireless remote pressure, temperature, and humidity monitors; wireless remote pressure, temperature, and humidity monitors for HVAC units; humidity sensors; temperature sensors; measuring apparatus for pressure, temperature and humidity levels in gases; electronic devices for measuring and monitoring air pressure, temperature, and humidity in HVAC units; electronic devices for measuring and monitoring the effectiveness of air filters; electronic devices for providing alerts for purposes of replacing air filters; electronic devices for providing alerts for purposes of replacing air filters in HVAC units; downloadable software for monitoring HVAC units; downloadable software for monitoring pressure in HVAC units; downloadable software for monitoring air pressure in HVAC units; downloadable software for monitoring temperature in HVAC units; downloadable software for monitoring humidity in HVAC units; downloadable software for monitoring the effectiveness of air filters; downloadable software for providing alerts for purposes of replacing air filters; downloadable software for providing alerts for purposes of replacing air filters in HVAC units; Downloadable software for measuring absolute pressure on each side of a filter and calculating the pressure differential across the filter; Downloadable software for measuring temperature on each side of a filter and calculating the pressure differential across the filter; downloadable software for measuring and monitoring temperature in HVAC units; Downloadable software for measuring humidity on each side of a filter and calculating the pressure differential across the filter; downloadable software for measuring and monitoring humidity in HVAC units; 021; 023; 026; 036; 038; 100; 101

Case Type Trademark Service mark