USPTO trademark record

RAINBOW BRAIN

Dead mark · Owner Hansma, Paul K · Classes 10

Mark details

Owner: Hansma, Paul K
Serial number: 87700278
Registration number: Not registered
Status: ABANDONED - EXPRESS (dead)
Classes: 10 (Medical devices)
Filed: 2017-11-28
Registered: —
Goods / services: Medical products, namely, biofeedback sensors

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

Similar marks

Nearest marks in the register to RAINBOW BRAIN.

RAINBOW BRAINLive

Classes 9 (Software / electronics / downloadable media), 16 (Paper / printed matter), 41 (Education / entertainment) · Erys LLC

RAINBOW BRAINDead

Classes 5 (Pharmaceuticals) · Rainbow Brain LLC

RAINBOW BRIDGE STUFFIESLive

Classes 28 (Games / toys / sports) · Sarah Michelle Miller

RAINBOW BRITELive

Classes 3 (Cosmetics / cleaning), 11 (Appliances / lighting), 14 (Jewellery / watches), 16 (Paper / printed matter), 18 (Leather goods / bags), 20 (Furniture), 21 (Household goods), 24 (Fabrics), 28 (Games / toys / sports), 41 (Education / entertainment) · Hallmark Cards, Incorporated

RAINBOW BUNNYLive

Classes 41 (Education / entertainment) · Rainbow Bunny Productions LLC

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