USPTO trademark record

ESTER-C

Live registered mark · Owner OXYCAL LABORATORIES, INC. · Classes 5

Mark details

Owner: OXYCAL LABORATORIES, INC.
Serial number: 73776086
Registration number: 1598104
Status: REGISTERED AND RENEWED
Classes: 5 (Pharmaceuticals)
Filed: 1989-01-23
Registered: 1990-05-29
Goods / services: VITAMIN AND MINERAL SUPPLEMENT

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

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