USPTO trademark record

MRDA

Dead mark · Owner W. R. GRACE & CO. · Classes 1

Mark details

Owner: W. R. GRACE & CO.
Serial number: 72049925
Registration number: 0676546
Status: EXPIRED (dead)
Classes: 1 (Chemicals)
Filed: 1958-04-18
Registered: 1959-04-07
Goods / services: CHEMICAL COMPOSITION FOR USE AS A RETARDER FOR PORTLAND CEMENT

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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