USPTO trademark record

DIAFIL

Dead mark · Owner PFINGST AND COMPANY, INCORPORATED · Classes 5

Mark details

Owner: PFINGST AND COMPANY, INCORPORATED
Serial number: 71580424
Registration number: 0550982
Status: EXPIRED (dead)
Classes: 5 (Pharmaceuticals)
Filed: 1949-06-14
Registered: 1951-11-20
Goods / services: PERMANENT DENTAL FILLING MATERIAL OF AN INVISIBLE CHARACTER, SAID MATERIAL CONSTITUTING PORCELAIN (SYNTHETIC

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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