USPTO trademark record

PENBOOK

Dead mark · Owner Slate Corporation · Classes 9

Mark details

Owner: Slate Corporation
Serial number: 74171501
Registration number: 1756065
Status: CANCELLED - SECTION 8 (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1991-05-29
Registered: 1993-03-02
Goods / services: computer software for use in the field of electronic publishing and instruction manuals sold therewith

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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