WE KNOW D.O. Trademark
Serial Number: 77699547 • Registration: 4280097
Trademark Classes
Owner Contact Info
Legal Representation
Trademark Details
Filing Date
March 26, 2009
Registration Date
January 22, 2013
Published for Opposition
August 18, 2009
Cancellation Date
August 4, 2023
Goods & Services
Educational services, namely, providing training in the nature of classes, workshops, seminars, online classes, online seminars and online workshops, and distribution of printed materials in the form of a handbook associated therewith, all in the fields of dissolved oxygen, dissolved oxygen sensors, maintenance of dissolved oxygen sensors and dissolved oxygen data
Scientific apparatus, instruments and sensors for measuring oxygen levels in aqueous solutions