USPTO trademark record

QSIL

Dead mark · Owner E. I. DU PONT DE NEMOURS AND COMPANY · Classes 1

Mark details

Owner: E. I. DU PONT DE NEMOURS AND COMPANY
Serial number: 73787913
Registration number: 1572703
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1989-03-20
Registered: 1989-12-26
Goods / services: THICK FILM PASTE COMPOSITIONS FOR USE IN THE MANUFACTURE OF MICROCIRCUITS, RESISTORS, AND OTHER ELECTRONIC COMPONENTS

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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