USPTO trademark record

CONVEX

Live registered mark · Owner E. I. du Pont de Nemours and Company · Classes 42

Mark details

Owner: E. I. du Pont de Nemours and Company
Serial number: 87550735
Registration number: 5623610
Status: SECTION 8 & 15-ACCEPTED AND ACKNOWLEDGED
Classes: 42 (Software / tech services (SaaS, design, hosting))
Filed: 2017-08-01
Registered: 2018-12-04
Goods / services: Engineering and engineering process design services in the field of petroleum refining alkylation, by which a hydrofluoric acid alkylation unit is converted to a sulfuric acid alkylation unit

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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