USPTO trademark record

EXTREMA

Live registered mark · Owner J. C. SCHUMACHER COMPANY · Classes 1

Mark details

Owner: J. C. SCHUMACHER COMPANY
Serial number: 73105937
Registration number: 1078178
Status: REGISTERED AND RENEWED
Classes: 1 (Chemicals)
Filed: 1976-11-05
Registered: 1977-11-29
Goods / services: ULTRA-HIGH PURITY MATERIALS FOR USE IN THE SEMICONDUCTOR INDUSTRY-NAMELY, BORON TRIBROMIDE, PHOSPHOROUS OXYCHLORIDE, PHOSPHOROUS TRIBROMIDE [ , SILICON TETRABROMIDE , ARSENIC TRICHLORIDE, ARSENIC TRI…

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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