USPTO trademark record

RIFA

Dead mark · Owner Focus/MRL, Inc. · Classes 1, 5

Mark details

Owner: Focus/MRL, Inc.
Serial number: 74353211
Registration number: 2021121
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals), 5 (Pharmaceuticals)
Filed: 1993-01-28
Registered: 1996-12-03
Goods / services: DNA sequence producing intercellular antigens for an immunofluorescent assay for scientific research; DNA sequence producing intercellular antigens for an immunofluorescent assay for clinical medical…

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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