Trademark Overview
On Tuesday, December 23, 2025, a trademark application was filed for KALDERO with the United States Patent and Trademark Office. The USPTO has given the KALDERO trademark a serial number of 99564349. The federal status of this trademark filing is EXAMINERS AMENDMENT - MAILED as of Friday, May 1, 2026. The KALDERO trademark is filed in the Environmental Control Instrument Products category with the following description:
Water filtration and purification units and replacement cartridges and filters therefor; Water treatment equipment, namely, water filtration units; Filters and filtering devices for air and gas conditioning; Filters for fluids, namely, for water and area-water solutions; Water filtering units for domestic use; Air purifying apparatus and machines; Air purifying apparatus; Air filtering installations; Water filtering apparatus; Industrial air filter machines; Air filters for domestic use; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filters for air conditioning units; Water purification and filtration apparatus; Air filters for heating and cooling registers
