USPTO trademark record

PORSTON

Live registered mark · Owner Dong YongBing · Classes 28

Mark details

Owner: Dong YongBing
Serial number: 90194154
Registration number: 6593142
Status: REGISTERED
Classes: 28 (Games / toys / sports)
Filed: 2020-09-20
Registered: 2021-12-21
Goods / services: Educational toys for teaching math principles to children, namely, manipulative blocks for displaying patterns and groupings; Electronic game equipment with a watch function; Exercise machines; Exerc…

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

Similar marks

Nearest marks in the register to PORSTON.

CORSTONLive

Classes 6 (Metal goods), 9 (Software / electronics / downloadable media), 11 (Appliances / lighting), 19 (Building materials), 20 (Furniture), 42 (Software / tech services (SaaS, design, hosting)) · Corston ltd

CORSTONLive

Classes 3 (Cosmetics / cleaning), 6 (Metal goods), 7 (Machines), 8 (Hand tools), 9 (Software / electronics / downloadable media), 11 (Appliances / lighting), 19 (Building materials), 20 (Furniture), 21 (Household goods), 42 (Software / tech services (SaaS, design, hosting)) · Corston Ltd

PERSTONLive

Classes 21 (Household goods) · Suzhou Preston Electronic Information Technology Co., Ltd.

PORSALive

Classes 6 (Metal goods) · PORSA USA, LTD.

PORSAILYLive

Classes 9 (Software / electronics / downloadable media) · hardkoo wu

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