USPTO trademark record

DFOUR

Live registered mark · Owner David A. Osorio de Armero · Classes 16, 41

Mark details

Owner: David A. Osorio de Armero
Serial number: 99691233
Registration number: 8450163
Status: REGISTERED
Classes: 16 (Paper / printed matter), 41 (Education / entertainment)
Filed: 2026-03-09
Registered: 2026-09-22
Goods / services: Printed educational publications, namely, educational learning cards, flash cards, activity cards, workbooks, textbooks, activity books, story books, puzzle books, printed puzzles, teacher guides, ma…

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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