USPTO trademark record

WORKBASE

Dead mark · Owner Proficiency · Classes 9

Mark details

Owner: Proficiency
Serial number: 74096392
Registration number: 1653570
Status: CANCELLED - SECTION 8 (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1990-09-12
Registered: 1991-08-13
Goods / services: computer programs for language training

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

Similar marks

Nearest marks in the register to WORKBASE.

WORKBASELive

Classes 25 (Clothing / footwear) · Grey Matter Concepts Apparel Group Corp.

WORKBASELive

Classes 20 (Furniture) · Senator International Limited

WORKBASELive

Classes 25 (Clothing / footwear) · Grey Matter Concepts Apparel Group Corp.

WORKBASEDead

Classes 9 (Software / electronics / downloadable media) · LAWRENCE INFORMATION SYSTEMS, INC.

WORK BASICSLive

Classes 16 (Paper / printed matter), 20 (Furniture) · ArtSkills, Inc.

Screen your own name

A fast first-pass screen against the USPTO federal register — sound-alikes, look-alikes, and same or related classes, in plain English. Free, no signup.

Screen a name — free · Start a free watch