USPTO trademark record

SIGRA

Dead mark · Owner SGL Carbon AG · Classes 1, 11

Mark details

Owner: SGL Carbon AG
Serial number: 76329565
Registration number: 2682828
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals), 11 (Appliances / lighting)
Filed: 2001-10-25
Registered: 2003-02-04
Goods / services: composite materials made of a phase change material and carbon, phase change materials are selected from the group of water/ice, saline solutions, hydrates, paraffins, mixtures of these products and …

Register data indexed 2026-11-07. Bulk records trail live filings — check the official USPTO search for the latest status before filing.

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